There are 3 primary colours in colour wheels, and three secondary.The primary colours are blue, red, and yellow. These colours then make mix to blue and red to make purple, blue and yellow to create...
The standard color wheel generally consists of 12 colors. A complemtary color is directly opposite of another color. So the standard color wheel would have 6 pairs of complementary colors.
In a computer, and in printing, any colour can be defined by the amount of Red, Green and Blue in it. This is known as the RGB value. These amounts may be measured on a scale of 0 to 255, or in terms...