complementary colour: meaning, definition, pronunciation and examples

C1
UK/ˌkɒmplɪˈmɛnt(ə)ri ˈkʌlə/US/ˌkɑːmpləˈmɛn(t)əri ˈkʌlər/

Technical/Academic (Art, Physics, Design), occasionally in general educated use.

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Quick answer

What does “complementary colour” mean?

One of a pair of colours that, when combined in additive colour mixing (like light) or placed side-by-side in subtractive mixing (like pigments), produce a neutral colour like grey, white, or black, and which are opposite each other on the colour wheel.

Audio

Pronunciation

Definition

Meaning and Definition

One of a pair of colours that, when combined in additive colour mixing (like light) or placed side-by-side in subtractive mixing (like pigments), produce a neutral colour like grey, white, or black, and which are opposite each other on the colour wheel.

In extended use, refers to anything that completes or enhances something else by contrast or difference, creating a harmonious or whole effect. Often used metaphorically in design, art, and broader contexts.

Dialectal Variation

British vs American Usage

Differences

The spelling 'colour' vs. 'color' is the primary difference. The term 'complementary color' is standard in US English.

Connotations

Identical in technical meaning. Slightly more frequent in UK English in artistic/design contexts due to spelling.

Frequency

Similar frequency in relevant technical fields. The hyphenated form 'complementary-colour' is rare in both.

Grammar

How to Use “complementary colour” in a Sentence

X is the complementary colour to YX and Y are complementary coloursUse X as a complementary colour for Y

Vocabulary

Collocations

strong
pair of complementary coloursuse complementary colourscomplementary colour schemedirect complementary colour
medium
find the complementary colouropposite complementary colourcreate with complementary colourscontrast of complementary colours
weak
bright complementary colourschoose complementary colourseffect of complementary colours

Examples

Examples of “complementary colour” in a Sentence

verb

British English

  • The artist decided to complement the dominant hue with its complementary.
  • You can complement that shade by using its opposite.

American English

  • The designer complemented the blue wall with orange accents.
  • To make it pop, complement it with the color directly across the wheel.

Usage

Meaning in Context

Business

Used in marketing, branding, and web design discussions ('We used a complementary colour palette to make the call-to-action button stand out').

Academic

Core term in colour theory, physics of light, visual arts, and design studies ('The experiment demonstrated the afterimage effect using complementary colours').

Everyday

Used in contexts like home decoration, clothing coordination, or amateur photography ('The cushion provides a nice pop of complementary colour to the sofa').

Technical

Precise definition in graphic design software, printing, and stage lighting ('Convert the image and adjust the complementary cyan channel').

Vocabulary

Synonyms of “complementary colour”

Neutral

opposite colourcontrasting colour

Weak

harmonising colour (context-specific)

Vocabulary

Antonyms of “complementary colour”

analogous coloursimilar colouradjacent colour

Watch out

Common Mistakes When Using “complementary colour”

  • Misspelling as 'complimentary colour' (meaning 'flattering colour').
  • Confusing with analogous or triadic colour schemes.
  • Assuming complementary colours always 'look good together'—they create high contrast which can be jarring if not used carefully.

FAQ

Frequently Asked Questions

All complementary colours are contrasting, but not all contrasting colours are complementary. Complementary is a specific, technical relationship defined by the colour wheel.

Not necessarily. While they create strong contrast, they can appear vibrant and balanced when used skillfully, especially at different saturations or values. Unskilled use at full saturation can be jarring.

'Complementary' means 'completing a whole' (from 'complement'). 'Complimentary' means 'expressing praise or given free of charge' (from 'compliment'). This is a common spelling error.

This is an 'afterimage' effect caused by the fatigue of the specific cone cells in your retina. The brain perceives the complementary colour as those cones recover, demonstrating the physiological basis of the concept.

One of a pair of colours that, when combined in additive colour mixing (like light) or placed side-by-side in subtractive mixing (like pigments), produce a neutral colour like grey, white, or black, and which are opposite each other on the colour wheel.

Complementary colour is usually technical/academic (art, physics, design), occasionally in general educated use. in register.

Complementary colour: in British English it is pronounced /ˌkɒmplɪˈmɛnt(ə)ri ˈkʌlə/, and in American English it is pronounced /ˌkɑːmpləˈmɛn(t)əri ˈkʌlər/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: They COMPLETE each other to make white/grey. 'Complementary' comes from 'complete', not 'compliment'. On the colour wheel, they sit directly OPPOSITE, completing the circle.

Conceptual Metaphor

OPPOSITES ATTRACT / COMPLETION THROUGH CONTRAST (Two different things coming together to create a balanced, whole, or neutral result).

Practice

Quiz

Fill in the gap
In the RGB colour model, the complementary colour of green is .
Multiple Choice

What is the primary reason complementary colours are used in design?

Practise

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Five interactive tools to remember words, train your ear, and build vocabulary in real context — drawn from this dictionary.

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