Colour Harmony

Sep 25, 2018
Remember the colour wheel from our colour theory primer? Note not only the position of each of the 12 pure hues within this circular diagram, but also their relationships to the colours adjacent to, and across from, them. Understanding these colour relationships can help you combine colours in pleasing ways. Also known as colour harmonies or colour schemes, they consist of two or more colours with a fixed relation in the colour wheel.

Complementary Colours

Colours directly opposite each other are referred to as complementary colours: red and green, orange and blue, yellow and violet. In each of these, there is one primary colour and one secondary colour. Why is that?


It isn’t possible to mix pigments to create red, yellow and blue. That’s why they’re called primary colours. They cannot be formed by combinations of other colours; all other colours are derived from these three hues. Thus, when looking at two complementary colours, determine which primary is missing from the secondary colour.

In other words, if yellow and blue combine to form green, the missing primary colour—and therefore the complement—is red. If red and yellow combine to form orange, the missing primary colour—and the complement—is blue.


A similar principle applies when determining the complements of tertiary colours, as in the red-orange and blue-green here and in the Miami Dolphins’ branding. (Remember: when naming tertiary colours, the name of the primary colour always appears first: red-orange, red-violet, yellow-orange, yellow-green, blue-green, blue-violet.)

As you can see, the high contrast between complementary colours creates a vibrant look.

Complementary colour schemes must be managed well; otherwise, they appear jarring. It’s best to use one of the complementary colours as the main colour in your design and the other as an accent colour. Alternatively, you could use tints and shades: a lighter tint of yellow contrasted against a darker violet, for example.

Tricky to use in large doses, complementary colour schemes can be effective when you want something to stand out. If possible, avoid using complementary colour schemes for text.

These familiar logos each employ a complementary colour scheme.

Analogous Colours

Analogous colour schemes consist of colours adjacent to each other on the colour wheel.


Regardless which two or three colours you combine, they all share an undertone of the same colour. Often found in nature, analogous colour schemes are harmonious and pleasing to the eye. Just be sure to have enough contrast: use one colour to dominate and a second to support. If you choose to use a third analogous colour, use it as an accent.


Combine an analogous group of colours with their respective tints and shades, and you have a lot to work with!

These familiar logos each employ an analogous colour scheme.

Triadic Colour Schemes

A triad refers to three colours equidistant from each other. The primary triad (i.e., red, yellow and blue) is a popular choice for children’s products. The secondary triad (i.e., orange, green and violet) is an equally pleasing combination.


Triadic colour schemes offer high contrast and are more balanced than complementary colour schemes. Triadic colour harmonies can be very vibrant, even if you use pale or unsaturated versions of your hues. Be mindful when balancing your chosen colours: let one colour dominate, and use the other two as accents.


The Burger King and Fanta logos employ a primary triad and a secondary triad, respectively.

Monochromatic Colour Schemes

Finally, there are monochromatic colour schemes, based on a single (mono) colour (the Greek chroma means “colour”) and its various tints and shades. You’re already intimately familiar with monochromatic colour schemes if you’re a fan of black and white, or even of sepia, photography. In a sepia tone photo, sepia (a variation on brown) is the pure hue; the taupe, beige, cocoa and chocolate are tints and shades of sepia
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