Colour

Colour

1. Colour forms part of the real world, nature and objects.Eyes take in the sensations produced by colours and transmit them to the brain. It encodes them and makes us perceive the colours.

2. Newton discovered the ray became a spectrum of separate colours.

3. Additive blend or coloured lights

   • Primary colours
   • Complementary colours
     • The complementary colours of light produce a practically white or very bright grey colour when blended together
   • Secondary colourss

4. Colour perception

   • Depending on its nature and properties, the chemical composition of the surfaces of objects absorbs or reflects electromagnetic waves, i.e. it absorbs or reflects colours.
     • When a body looks white, this is because it receives all the basic colours of the spectrum (red, green and blue) and sends them back reflected, so the mixture of the three colours is created and the same with all colours

5. Coloured pigments or subtractive colours

   • Primary colours
   • Secondary colours
   • Complementary colours

6. Qualities or properties of colour

   • Tone
     • The tone is the specific name or attribute given to a colour that makes it distinct.
       • Intermediate values (yellowish green, greenish blue, reddish orange, bright green, etc.)
       • composites are found within each tone.
       • Each tone is given a name (red, orange, yellow, green, blue, etc.
   • Value
     • Depends on how much light it gives off.
   • Saturation
     • Is the property that indicates colour purity.

7. Colour wheel

8. Warm and cool palettes

   • Warm palettes
   • Cool palettes

9. Colour harmony

   • A harmony is a combination of colours that produces attractive and balanced colour effects.
     • Can be create by
       • Consonance
         • (balance or unity of the colours and elements in the composition
       • Analogy
         • (by using similar colours, such as the colours in the cool palette or the colours in the warm palette).

10. Contrast

    • Contrast is produced when the colours in a composition do not have anything in common with each other or any similarity.
      • between complementary colours
      • between warm and cool palettes

11. Colour classification

    • ostwald system
    • hickethier system

12. Symbolism of colour

    • White
      • s the absolute, unity and innocence
    • Black
      • evil, mystery or making an error.
    • Yellow
      • s envy, rage and cowardlines
    • Red
      • extroverted personality and has a vital, ambi- tious, materialistic temperament.
    • Green
      • intelligent, social people and symbolises kindness and the spring.
    • Blue
      • depth and cold.
    • Violet
      • virtue, lucidity and reflection

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