What do we mean by colour?
Physical → Physiological → Psychological
Spectral colour is a colour that is evoked by a single wavelength of light within a visible spectrum. A single wavelength, or a narrow band of wavelengths generates a monochromatic light.
Rods - Conveys shades of black, white ands gray.
Cones - Allows the brain to perceive colour. (When a single cone is stimulated, the brain receives the corresponding colour)
Joseph Albers (1888-1976) - Interaction of Colour
Johannesburg Itten (1888-1967) - The Art of Colour
Primary, secondary and tertiary colours.
Subtractive colour, subtracting the colour as you start to mix it, film and prints. (CMY)
Additive colour, adding colour as you start mix it, CRT monitors. (RGB)
Colour has dimensions, it has a range of different qualities and values.
Chromatic Value = Hue + Tone + Saturation
Make it darker = Shades
Make it lighter = Tints
Combination of both = Tone
The meaning of colour is presented by the way we see the other colours around it, it will affect how we perceive the colour.
No comments:
Post a Comment