NZ Scholarship Visual Arts study materials
NZ Scholarship Visual Arts study resources

NZ Scholarship Visual Arts practice questions

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Question 1Design

In design practice, what is the primary function of a grid system in a layout?

  1. To establish consistent alignment and spatial relationships between elements Correct answer.
  2. To ensure all imagery is placed in the centre of the page
  3. To guarantee that every page uses an identical number of typefaces
  4. To replace the need for any visual hierarchy

Explanation

A grid is a structural framework of columns, rows and margins that governs where elements sit and how they align, producing consistency and rhythm across a composition. It organises spatial relationships rather than dictating typeface counts or forcing central placement, and hierarchy is still created through scale, weight and contrast.

Question 2Design

A designer sets body text at 10 pt and headings at 30 pt. Which typographic relationship does this describe?

  1. A justified text setting
  2. A monospaced typeface pairing
  3. A modular scale with a 1:3 ratio Correct answer.
  4. A kerning adjustment

Explanation

A modular scale relates type sizes by a consistent ratio, here 1:3 between body and heading, which creates predictable contrast across a hierarchy. Kerning, justification and monospacing describe spacing or typeface categories, not the proportional relationship between sizes.

Question 3Design

Which colour model is most appropriate for preparing artwork destined for four-colour offset lithography?

  1. CMYK Correct answer.
  2. Hexadecimal sRGB
  3. RGB
  4. HSL

Explanation

Offset lithography prints with cyan, magenta, yellow and black inks, so artwork is prepared in CMYK to predict the printed result. RGB and hexadecimal sRGB describe additive screen light, and HSL is a screen-oriented way of describing hue, saturation and lightness.

Question 4Design

What does the term 'negative space' describe in a design composition?

  1. The empty or unoccupied area surrounding and between positive forms Correct answer.
  2. A layout that has been printed in reverse reading order
  3. The area of an image that has been reversed in tone
  4. A colour palette restricted to greys and blacks

Explanation

Negative space is the ground or empty area that surrounds positive elements, and designers use it actively to create balance, breathing room and emphasis. It is not defined by a grey palette, tonal inversion or reversed reading order, though those are separate techniques.

Question 5Design

A designer needs a typeface that remains legible at very small sizes in a printed timetable. Which choice best supports this requirement?

  1. A typeface with a large x-height and open counters Correct answer.
  2. A script typeface with connected letterforms
  3. A display typeface with fine hairline strokes
  4. A typeface set with very tight tracking

Explanation

At small sizes legibility depends on robust letterform features such as a generous x-height and open counters, which keep characters distinguishable. Hairline strokes, connected scripts and tight tracking all reduce clarity when type is reduced.

Question 6Design

What is the purpose of a bleed area in a print-ready design file?

  1. To indicate where the reader's eye should travel first
  2. To provide space for printer registration marks inside the artwork
  3. To extend artwork beyond the trim line so slight cutting errors leave no white edges Correct answer.
  4. To hold the designer's copyright and contact details

Explanation

A bleed extends background colour or imagery past the final trim so that minor misalignment during guillotining does not reveal unprinted paper. Registration marks sit outside the bleed in the slug area, and bleeds have nothing to do with eye direction or credits.

Question 7Design

A poster uses a single large photograph, one short headline and a small logo. Which principle is most clearly demonstrated?

  1. Redundancy, where the same information is repeated
  2. Economy of means, where limited elements carry the message Correct answer.
  3. Eclecticism, where unrelated styles are combined
  4. Visual noise, where competing elements confuse the reader

Explanation

Economy of means means achieving a communicative result with the fewest necessary elements, so a photograph, headline and logo working together exemplify restraint. Noise, redundancy and eclecticism all describe excess or conflict rather than deliberate reduction.

Question 8Design

In a brand identity system, what is the role of a style guide?

  1. To list every competitor's visual identity for comparison
  2. To replace the logo with a written description in all media
  3. To specify consistent rules for using logos, colour, type and layout across applications Correct answer.
  4. To record the client's payment schedule for the project

Explanation

A style guide codifies the rules that keep a brand consistent, covering logo clear space and usage, colour values, typography and layout conventions. It does not substitute text for the logo, handle billing, or catalogue competitors.

Question 9Design

A designer wants to signal a hierarchy of three information levels using only weight and size. Which approach best achieves this?

  1. Use a bold large size for level one, medium weight for level two and regular small size for level three Correct answer.
  2. Set all three levels in the same weight and add decorative borders around each
  3. Set all three levels at the same size but in three different bright colours
  4. Rotate each level by a different angle to distinguish them

Explanation

Hierarchy through weight and size relies on clear, graduated contrast so readers can rank information at a glance. Varying weight and size together produces an unambiguous order, while colour, borders or rotation introduce different variables and do not use the stated means.

Question 10Design

Which file format is most suitable for a flat-colour logo that must scale cleanly on signage and in print?

  1. Raster format such as JPEG
  2. An animated GIF
  3. Raster format such as a high-resolution PNG
  4. Vector format such as SVG or EPS Correct answer.

Explanation

Vector formats describe artwork mathematically, so shapes and edges stay sharp at any scale, which suits logos used from business cards to billboards. Raster formats and animated GIFs are resolution-dependent and unsuitable for large-scale flat-colour reproduction.

Question 11Design

What does 'kerning' specifically adjust?

  1. The distance between lines of text
  2. The overall width of a paragraph column
  3. The space between all characters in a line
  4. The space between an individual pair of characters Correct answer.

Explanation

Kerning fine-tunes the spacing of a specific character pair, such as an A and a V, to achieve even optical spacing. Tracking adjusts spacing across a whole run of text, leading controls line spacing, and column width is a layout measurement.

Question 12Design

A designer applies a duotone treatment to a photograph for a brochure. What does this involve?

  1. Converting the image to a full-colour RGB photograph
  2. Reproducing the image using two ink colours to create tonal range Correct answer.
  3. Reducing the image to a single pure black
  4. Adding a drop shadow behind the image

Explanation

A duotone uses two inks, often a dark and a lighter colour, to build the image's tonal range and give a distinctive colour cast. It differs from a monotone single-ink image, from full-colour RGB reproduction, and from effects like drop shadows.

Question 13Design

In a magazine layout, a designer places a full-bleed image on the left page and a narrow column of text on the right page. Which compositional effect is most likely intended?

  1. A random arrangement with no visual relationship
  2. A symmetrical mirroring of identical elements
  3. A dynamic balance created by contrasting visual weight across the spread Correct answer.
  4. A reduction of the spread to a single reading path

Explanation

A large image and a narrow text column create asymmetrical but balanced tension, where heavy visual mass on one side is offset by focused reading matter on the other. Symmetry would require mirrored identical elements, and the arrangement is deliberate rather than random.

Question 14Design

What is the main advantage of setting a long document in a multi-column grid?

  1. It removes the need for any margins on the page
  2. It allows every paragraph to be a different typeface
  3. Shorter line lengths improve readability while allowing flexible placement of images Correct answer.
  4. It guarantees the document will print without errors

Explanation

Multiple columns keep line lengths within a comfortable reading measure and give the designer flexibility to place images and captions within the grid. Columns do not eliminate margins, guarantee error-free printing, or license inconsistent typefaces.

Question 15Design

Which term describes the visual path a viewer's eye follows through a design?

  1. Reading gravity or eye flow Correct answer.
  2. Colour temperature
  3. Optical centring
  4. Registration

Explanation

Eye flow, sometimes called reading gravity, describes the sequence in which a viewer's attention moves through a composition, guided by hierarchy and placement. Colour temperature concerns warm and cool hues, optical centring concerns perceived balance, and registration concerns print alignment.

Question 16Design

A designer is choosing imagery for a campaign aimed at a teenage audience and wants authenticity. Which approach best supports that aim?

  1. Select images purely because they are inexpensive
  2. Use only polished studio stock images of generic models
  3. Commission photography that reflects the audience's real contexts and diversity Correct answer.
  4. Apply heavy filters so all images share one stylised look

Explanation

Authenticity is supported by imagery that reflects the lived contexts and diversity of the target audience, which builds recognition and trust. Generic studio stock, uniform heavy filtering, or cost alone tend to produce imagery that feels distant or inauthentic.

Question 17Design

What distinguishes a logotype (wordmark) from a brandmark (symbol)?

  1. A logotype is set as styled text of the brand name, while a brandmark is a non-textual graphic symbol Correct answer.
  2. A logotype is always printed in black, while a brandmark is always in colour
  3. A logotype is used only online, while a brandmark is used only in print
  4. A logotype contains an image, while a brandmark contains only letters

Explanation

A logotype relies on typographic treatment of the brand name, whereas a brandmark is a pictorial or abstract symbol without the name set as text. Colour, medium and the presence of letters are not what distinguishes the two categories.

Question 18Design

A poster's headline is set in white over a busy photographic background. Which adjustment most directly improves legibility while preserving the image?

  1. Increase the size of the photograph to fill more of the poster
  2. Add more colours to the photograph to increase contrast
  3. Reduce the headline's tracking so the letters touch
  4. Add a semi-transparent dark overlay or solid block behind the headline Correct answer.

Explanation

Placing a controlled tonal layer or solid block behind the text separates it from the busy image and restores figure-ground contrast. Enlarging or recolouring the image adds competition, and closing up tracking reduces legibility rather than improving it.

Question 19Design

Which statement best describes the difference between a mood board and a set of design developments?

  1. A mood board gathers references to establish direction, while developments test and refine original design solutions Correct answer.
  2. A mood board is final artwork, while developments are discarded sketches
  3. A mood board proves technical printing accuracy, while developments are colour swatches
  4. A mood board is only for clients, while developments are only for printers

Explanation

A mood board collects visual references that establish tone, palette and direction before design begins, whereas developments are the designer's evolving, tested solutions. Neither is final artwork, and both serve the design process rather than printing or client-only purposes.

Question 20Design

In a print specification, what does 'GSM' refer to?

  1. The number of colours used in the print run
  2. The resolution of placed images
  3. The finish applied to the printed surface
  4. The weight of paper expressed in grams per square metre Correct answer.

Explanation

GSM, grams per square metre, is the standard measure of paper weight and therefore of its substance and stiffness. It does not describe ink colours, image resolution or surface finishes, which have their own specifications.

Question 21Design

A designer reduces a full-colour image to a single spot colour for a two-colour print job. Which outcome should they check most carefully?

  1. Whether tonal separation remains clear enough to read the image's subject Correct answer.
  2. Whether the file now uses more inks than before
  3. Whether the image has become a vector graphic
  4. Whether the file size has increased dramatically

Explanation

Reducing an image to one spot ink compresses its tonal range, so the designer must verify that light, mid and dark areas remain distinguishable and the subject reads clearly. Ink count decreases, the image stays raster, and file size is not the critical concern.

Question 22Design

Which pairing correctly matches a design element with its typical communicative role?

  1. A photograph used to specify paper weight
  2. A margin used to record the client's budget
  3. A typeface used to indicate the print run length
  4. A rule or line used to divide or group related information Correct answer.

Explanation

Lines and rules are structural elements that separate or connect content, clarifying relationships between information. Photographs, typefaces and margins carry other roles and are not used to specify paper weight, print run length or budget.

Question 23Design

A designer is asked to make a public information leaflet accessible to readers with low vision. Which decision best supports this?

  1. Rely on colour alone to distinguish key sections
  2. Use pale grey text on a white background to appear refined
  3. Set body text in a decorative script at small size
  4. Use high tonal contrast between text and background and a generous body text size Correct answer.

Explanation

Accessibility for low vision depends on strong tonal contrast and sufficiently large body text so content remains readable. Pale grey on white, small decorative scripts and colour-only coding all reduce legibility or exclude readers with colour vision deficiency.

Question 24Design

What is the effect of optical margin alignment (hanging punctuation) in a justified column?

  1. All lines are forced to exactly equal length regardless of word spacing
  2. The column is widened so fewer words fit on each line
  3. Punctuation sits slightly outside the margin so the text edge appears visually straight Correct answer.
  4. The typeface is automatically changed to a serif

Explanation

Hanging punctuation places marks such as quotation marks or hyphens just outside the measure so the optical edge of the text looks aligned, even though the mechanical edge is not perfectly straight. It does not force equal line lengths, change column width, or alter typefaces.

Question 25Design

A campaign needs one visual system applied across posters, social media tiles and a website banner. Which approach best ensures cohesion?

  1. Define a flexible system of core elements such as palette, type hierarchy and a proportional layout rule that adapts to each format Correct answer.
  2. Use the same fixed pixel dimensions for every format
  3. Copy the poster artwork unchanged into every format
  4. Design each format completely independently with no shared elements

Explanation

Cohesion across formats comes from a flexible system of shared elements that can be re-proportioned for each medium, rather than from identical fixed dimensions. Independent designs lose consistency, and unchanged copying ignores the differing proportions of each format.

Question 26Design

In design terminology, what does the term 'negative space' describe within a composition?

  1. The layer in a file where hidden elements are stored
  2. The margins that printers trim away after a job is bound
  3. The empty or unoccupied areas surrounding and between the active elements Correct answer.
  4. The darkest tonal areas of a photograph after contrast adjustment

Explanation

Negative space (also called white space) is the unoccupied area around and between positive elements such as type and image. It is an active compositional tool that shapes grouping, emphasis and breathing room rather than merely being leftover emptiness.

Question 27Design

A designer must prepare artwork for a folded A4 programme printed on both sides. Which specification detail is essential to confirm before placing content near the fold?

  1. The paper stock's opacity rating for show-through
  2. The colour profile used for on-screen proofing only
  3. The imposition and creep allowance for the folded sections Correct answer.
  4. The resolution of any vector logos embedded in the file

Explanation

Folding and binding shift inner pages outward, so creep (shingling) allowance and imposition must be planned to keep content clear of the fold and trim. Confirming these production details prevents text and images being cut or misaligned after folding.

Question 28Design

Which statement best explains why a designer would establish a baseline grid in a multi-page editorial layout?

  1. It prevents any use of asymmetric or off-centre composition
  2. It automatically converts all body text into a single typeface family
  3. It guarantees that every image will be cropped to identical proportions
  4. It aligns lines of text across columns and pages for consistent rhythm Correct answer.

Explanation

A baseline grid fixes the vertical position of text lines so that columns and facing pages share a common rhythm. This produces consistent leading and lets elements across a spread align horizontally.

Question 29Design

A designer wants a photographic image to sit convincingly within a limited two-colour palette. Which technique converts the image into tints of the two inks?

  1. Converting the image to a halftone duotone using the two inks Correct answer.
  2. Applying a Gaussian blur to soften the image edges
  3. Increasing the image's resolution to 600 ppi
  4. Rotating the image to a diagonal angle

Explanation

A duotone maps tonal values onto two inks, using halftone screens so the image reads as tints and combinations of those inks. This integrates photography with a restricted palette while preserving tonal range.

Question 30Design

In typography, what does 'x-height' refer to?

  1. The vertical space between two consecutive baselines
  2. The distance from the baseline to the top of lowercase letters without ascenders Correct answer.
  3. The total height of a capital letter measured from the baseline
  4. The width of the widest character in a typeface

Explanation

X-height is the height of lowercase letters such as 'x', 'o' and 'e', measured from the baseline to their top. It strongly affects apparent size and legibility, especially at small sizes.

Question 31Design

A designer is art directing a series of posters and wants a consistent visual 'voice' across the set without repeating identical layouts. Which approach best achieves this?

  1. Changing the typeface and palette randomly for each poster
  2. Using the same layout template for every poster without variation
  3. Reducing each poster to a single centred word
  4. Establishing shared type, colour and image treatments applied flexibly Correct answer.

Explanation

A coherent campaign voice comes from consistent, reusable ingredients such as type hierarchy, palette and image treatment, combined with varied compositions. This gives family resemblance while allowing each piece to respond to its content.

Question 32Design

Which colour model should a designer use when specifying colours for a job that will be printed using process inks?

  1. HSL
  2. RGB
  3. Hexadecimal RGB
  4. CMYK Correct answer.

Explanation

CMYK describes the cyan, magenta, yellow and black inks used in process printing, so colours specified in this model translate predictably to press. Screen-based models such as RGB must be converted and can shift when printed.

Question 33Design

A designer notices that a body of text set at 9 pt feels cramped and tiring to read. Which adjustment most directly improves reading comfort without changing the typeface?

  1. Increasing the leading relative to the type size Correct answer.
  2. Setting the text in all capitals
  3. Decreasing the tracking to pull letters together
  4. Justifying the text without hyphenation

Explanation

Leading controls the vertical space between lines; too little makes dense text feel tight and hard to track. Increasing leading relative to the point size opens the texture and eases reading.

Question 34Design

A packaging design must carry a legally required ingredient list and a promotional claim on the same panel. Which typographic decision best respects both the legal requirement and the marketing intent?

  1. Omitting the ingredient list to give the claim more prominence
  2. Setting both the ingredient list and the claim in identical size and weight
  3. Relegating both to the back panel in matching grey type
  4. Setting the ingredient list in the smallest legible size and the claim in large display type Correct answer.

Explanation

Legal information must remain legible while promotional hierarchy can still lead the eye. Using the smallest legible size for the mandatory list and larger display type for the claim satisfies the requirement without abandoning hierarchy.

Question 35Design

In a design portfolio, what is the primary purpose of including process work such as sketches and rejected routes alongside final outcomes?

  1. To prove that the designer can produce a large quantity of drawings
  2. To fill pages so the portfolio reaches a required length
  3. To demonstrate the decision-making and iteration behind the finished design Correct answer.
  4. To show that the designer never changes their initial idea

Explanation

Process material reveals how a designer thinks: how problems were framed, options tested and choices justified. It gives assessors evidence of judgement and iteration that a final image alone cannot show.

Question 36Design

Which file format preserves vector paths and editable type so that a logo can be resupplied at any size without quality loss?

  1. GIF
  2. PNG
  3. JPEG
  4. SVG Correct answer.

Explanation

SVG stores artwork as mathematical vector paths and text, so it scales without pixelation and remains editable. It is well suited to logos used across print and digital contexts.

Question 37Design

A designer is building a visual identity for a small independent bakery that wants to feel handmade and trustworthy. Which combination of decisions best supports that positioning?

  1. A hand-lettered wordmark paired with a warm, muted palette and textured imagery Correct answer.
  2. A stock photographic logo with a default system typeface
  3. A dense all-caps wordmark in a high-contrast serif with metallic finish
  4. A geometric sans-serif wordmark with neon gradients and a chrome effect

Explanation

Hand lettering, warm muted colour and tactile imagery together signal craft, warmth and authenticity consistent with a handmade bakery. Each choice reinforces the same positioning rather than contradicting it.

Question 38Design

A designer is preparing a poster that will be viewed from several metres away in a busy street. Which typographic choice best supports legibility at that distance?

  1. A script typeface with fine hairlines and elaborate swashes
  2. A bold sans-serif headline with generous x-height and tight word spacing Correct answer.
  3. A serif body face set at 8 pt with long line lengths
  4. A condensed light-weight typeface set at small size with wide tracking

Explanation

At distance, letterforms must be simple and robust, so a bold sans-serif with a large x-height and compact word spacing holds up. Fine detail and small sizes dissolve when seen from far away.

Question 39Design

In a design context, what is the function of a 'call to action' within a campaign layout?

  1. To provide the visual texture that fills empty background space
  2. To direct the viewer toward a specific, desired next behaviour Correct answer.
  3. To describe the historical origins of the brand's typeface
  4. To list the technical print specifications for the artwork

Explanation

A call to action is a prompt, often verbal and visual, that tells the audience what to do next, such as visit, buy or register. It converts attention into a defined response.

Question 40Design

A designer must adapt one identity system across a poster, a square social tile and a wide website banner. Which principle should guide the adaptation?

  1. Preserving core brand elements while rebalancing scale and layout per format Correct answer.
  2. Removing the logo from formats where space is tight
  3. Changing the brand colours for each format to distinguish them
  4. Keeping every element at identical absolute size on every format

Explanation

Consistency lives in the recognisable core elements, such as logo, type and palette, while scale and arrangement flex to suit each format's proportions. This preserves identity without forcing an unsuitable layout onto every surface.

Question 41Painting

In painting, the term 'impasto' refers to which handling of the medium?

  1. Paint applied thickly so it stands up from the surface and catches light Correct answer.
  2. Pigment thinned with solvent to create transparent glazes
  3. Colour applied in small, uniform dots across the whole canvas
  4. A preparatory drawing transferred through a pricked outline

Explanation

Impasto describes paint laid on in a thick, buttery layer whose physical relief is visible and which registers light and shadow across its own texture. It is a handling of substance, not a transparency technique or a mark-making system. Recognising it matters because surface facture becomes part of the painting's meaning.

Question 42Painting

A painter wants a cool, receding shadow in a warm sunlit interior. Which choice best serves that aim?

  1. A pure white scumble over the shadow area
  2. A blue-violet mixed slightly into the shadow colour Correct answer.
  3. A black glaze applied thinly over the shadow
  4. A warm earth red straight from the tube

Explanation

Cool hues such as blue and violet tend to recede relative to warm hues, so tinting a shadow toward blue-violet exploits colour temperature to create depth. Warm earth reds advance rather than recede. Pure black flattens the shadow and loses the chromatic relationship with the light.

Question 43Painting

Which pigment is characteristically transparent and therefore suited to glazing rather than opaque covering?

  1. Titanium white
  2. Cadmium red light
  3. Phthalo blue Correct answer.
  4. Yellow ochre

Explanation

Phthalo blue is a strongly tinting, transparent organic pigment that builds luminous depth when glazed over a lighter underpainting. Earths, titanium white and cadmiums are comparatively opaque and cover what lies beneath. Transparency versus opacity is a core practical property painters test before choosing a technique.

Question 44Painting

In a painting, 'chiaroscuro' most directly describes which quality?

  1. The strong modelling of form through contrasts of light and dark Correct answer.
  2. The visible evidence of the artist's brushmarks across the surface
  3. The use of unmodulated areas of flat, saturated colour
  4. The arrangement of figures into a triangular composition

Explanation

Chiaroscuro is the modelling of three-dimensional form through the graded contrast of light and shadow. It is a tonal device for describing volume and drama, distinct from composition, flat colour or facture. The term is often confused with tenebrism, an extreme dark-dominant version of the same principle.

Question 45Painting

What does 'ground' mean in the context of preparing a painting support?

  1. The darkest tone used to anchor the shadows
  2. The priming layer between the support and the paint film Correct answer.
  3. The first layer of coloured paint applied over the whole surface
  4. The lowest edge of the composition where objects rest

Explanation

The ground is the prepared priming coat, such as gesso, that sits between canvas or panel and the paint, regulating absorbency and adhesion. It is not the first painted colour layer, which would be an imprimatura or underpainting. Confusing the two leads to errors in describing a painting's construction.

Question 46Painting

A painter mixes a hue with its complement to reduce its intensity. What is this operation called?

  1. Tinting
  2. Neutralising Correct answer.
  3. Scumbling
  4. Shading

Explanation

Adding a complement neutralises a colour, lowering its chroma toward grey or brown without changing its value much. Tinting lightens with white and shading darkens with black, while scumbling is a dry, broken application of opaque paint. Precision with these terms is essential when analysing colour decisions.

Question 47Painting

Which statement best describes the function of an underpainting in a layered oil technique?

  1. It seals the canvas so no subsequent paint can be absorbed
  2. It fixes the drawing permanently so no changes can be made
  3. It provides the final varnish coat that unifies the surface sheen
  4. It establishes tonal structure that later opaque layers modify and refine Correct answer.

Explanation

An underpainting, often a monochrome or limited-colour lay-in, maps values and masses so that subsequent layers can be judged against a tonal scaffold. It does not seal the surface, act as varnish, or lock the image beyond revision. Understanding this clarifies how indirect painting builds depth.

Question 48Painting

A composition places its focal point close to the upper-left intersection of an implied thirds grid. What is the most likely intended effect?

  1. It pushes the subject deep into the background
  2. It removes hierarchy so every area has equal weight
  3. It centres the subject to convey rigid formality
  4. It activates the picture plane with dynamic imbalance Correct answer.

Explanation

Placing a focal point on a thirds intersection rather than at centre creates asymmetry and visual tension, which reads as dynamic. Central placement tends toward stability and formality. The device does not by itself determine depth or abolish hierarchy.

Question 49Painting

A painter works wet-into-wet with slow-drying oil colours. Which outcome should they anticipate?

  1. Crisp, hard edges that hold their shape immediately
  2. A matte, chalky surface finish
  3. Rapid skinning that prevents any mixing
  4. Soft blending and merging of adjacent strokes Correct answer.

Explanation

Working wet-into-wet means new paint is laid into still-wet paint, so adjacent colours blend and edges soften. Hard edges require waiting for the layer to dry or using a fast-drying medium. Oil's slow drying is precisely what makes extended blending possible.

Question 50Painting

Which underpainting colour most effectively warms a cool blue sky painted thinly over it?

  1. A neutral black
  2. A cool grey
  3. A warm ochre Correct answer.
  4. A pale violet

Explanation

A warm ochre beneath a thin cool blue creates optical vibration and warms the blue from below, a classic use of complementary underpainting. Cool grey, black or violet would reinforce rather than counter the coolness. The principle relies on thin paint allowing the lower layer to show through.