Create colour harmony with a colour wheel
The best way to create colour harmony is with a Colour Wheel. The wheel was developed from the colour spectrum and helps co-ordinate colour and develop different types of schemes. The 12 hue wheel is divided into the three colour areas below:

1. Primary Colours
Primary Colours
 
2. Secondary Colours
Secondary Colours
 
3. Tertiary Colours
Tertiary Colours

Tertiary Colours
Colour Wheel
NB. Colour references represent Resene colours from the Resene Total Colour System Multi-Finish Range.

Moving the colour wheel allows you to co-relate primary, secondary and tertiary colours.

Monochromatic
     
Monochromatic spacer A one-colour scheme can incorporate several values of that colour to keep it from looking monotonous. Various textures can help enhance the single colour scheme.
   
Complementary
     
Complementary   These schemes use colours that are opposite each other on the wheel e.g. blue green and red orange. The result is usually vibrant and lively. It works best if one colour dominates and the other serves as contrast.
     
Split Complementary
     
Split Complementary   This scheme is one that uses any colour from the colour wheel in combination with the two colours that are directly on either side of the colour opposite the one chosen e.g. blue and violet with yellow orange.
     
Related / Analogous
     
Related   This scheme uses three to five colours and includes one of the three primary colours (red, yellow and blue). The related/analogous colours are the colour segments showing on either side of the primary colour. Varying the value and intensity of the cololurs is beneficial.
     
Triadic
     
Triadic   This scheme uses three colours that are equidistant on the colour wheel e.g. red orange, yellow green and blue violet. One colour can be used as the dominant colour and the other two as accents.
     
Achromatic
     
achromatic   These are colours in the white through to black range. Achromatic schemes are restrained and sophisticated.
     
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