- Great master colourists possessed a science of colour.
- Colour acquires human meaning and perception.
- The eye and the mind achieve distinctive perception through comparison and contrast.
- The value of chromatic colour may be determined in relation to achromatic colour.
Chromatic Colour - Colour with many hues and values.
Achromatic Colour - Colour that lacks hues and values, black and white, grey.
- Colour perception is the psychophysiological reality.
- A yellow square on white and black, on white the yellow looks darker, on black yellow looks bright and cold tones.
- Colour is the chief vehicle of expression.
- Colour has to be added first. 'He who first draws lines then adds colour, will never succeed in producing a clear, intense, colour effect.
- Colours have dimensions and reality of their own.
- Colour harmony is the joint effect of two or more colours.
- Colour combinations are subjective and people differ in their judgements of harmony and discord.
- Harmonious colours are usually of similar chromatic values or the same shades.
- The harmony of colours is judged on a scale of agreeable/disagreeable and attractive/unattractive.
- Harmony within colour, implies balance, and symmetry of forces.
- Any pair of complementary colours contains the three primary colours.
- Two or more colours are mutually harmonious if their mixture produces a yield of neutral grey.
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