Colour

Colour

1. Subtractive blend or coloured pigments

   • Coloured pigments, or subtractive colours, absorb or take away the light's energy.
   • Cyan, magenta and yellow are the primary colours of the subtractive blend
     • Complementary colours of pigment, when blended, produce the colour black. Combining each primary co- lour with a secondary one creates them.
       • Blue-violet, red and green are secondary colours. They are formed by mixing two primary colours
         • Cyan + magenta = blue-violet
         • Magenta + yellow = red
         • Yellow + cyan = green

2. The colour wheel

   • primary
   • secondary
   • tertiary

3. Colour perception

   • e chemical composition of the surfaces of objects absorbs or reflects electromagnetic waves, i.e. it absorbs or reflects colours
     • the colours that we see are the colours that the objects propagate because they do not absorb them.

4. Additive blend or coloured lights

   • Primary
   • Complementary colours
   • Secondary colours

5. Qualities or properties of colours

   • Tones
     • The tone is the specific name or attribute given to a colour that makes it distinct
   • Value
     • Amount of white or black colour found in its composition. We this value to indicate the level of lightness or darkness of a colour. We therefore refer to colours as light, bright, vivid, or subdued, sad, etc.
   • Saturation
     • Saturation is the property that indicates colour purity.
       • Highest saturation
         • Magnenta and cyan
       • Lowest saturation
         • grey

6. Colour mixtures

   • colour harmony
     • is a combination of colours that produces attractive and balanced colour effects. We can create colour harmony by consonance or analogy
   • colour contrast
     • Contrast is produced when the colours in a composition do not have anything in common with each other

7. Colour classification system

8. Colour forms part of everything Newton successfully isolated a ray of white light. When he passed it through a glass prism, Newton discovered the ray became a spectrum of separate colours

9. cool and warm colour palettes

   • cool palette
   • warm palette

10. colur classification system

    • Hickethier's system
    • Ostwald system

11. SYMBOLISM OF COLOUR

    • The symbolic colour forms part of a code.

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