The overall use of a colour is used to set a tone, mood, or context. Colour is usually the first thing we see. But don't confuse colour domination with strong composition. The composition should work in grey scale or black and white and come to life when you add colour.
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You will find loads more information about colour below at the bottom of the page
Words to help you explain Colour:
The colour wheel is simply a guide on how colours relate to one another.
Red, Orange, Yellow, Green, Blue, Purple.
This saying can help you remember the primary and secondary colours = Richard Of York Gave Battle Poorly
Primary colours are the three key colours - Red, Blue and Yellow. They cannot be made from any other colour.
If you mix equal amounts of the primary colours, you get the Secondary colours - Purple, Green and Orange.
Red + Yellow = Orange
Yellow + Blue = Green
Blue + Red = Purple (violet)
Intensity - brightness or dullness of a colour. A pure hue is a high-intensity colour. A dulled hue, a colour mixed with its complement is called a low-intensity colour.
Intermediate - colours are created by mixing a primary and a secondary: Red-orange, yellow-orange, yellow-green, blue-green, blue-purple, and red-purple.
Yellow + Purple
Set in Tints (colours plus white)
Set in Shades (colours plus black)
Seven Warm/Aggressive colours in a combination of pure colour, tints, tones, and shades.
Seven Cool/Receding colours in a combination of pure colour, tints, tones, and shades