Rather than Paulx878Andyx437Johnx860 Be careful using table background colours. If you use white text you may be displaying an empty box. Design issues Colour Colour should not be the message, but used to enhance it. Colour is inconsistent across platforms, video cards, monitors and technologies. The wrong use of colour can make your page difficult or uncomfortable to read.
Colour perception is actually a moderately complex piece of physics and physiology.
There are several different ways to represent and define colour. If hue specifies what colour is present, saturation tells how much colour is present. Value is also sometimes referred to as luminance, and is also a percentage scale, where larger numbers represent more pure white. For example, a well-saturated red hue with high luminance appears as pink, while the same hue with low luminance appears as maroon. Luminance affects readability primarily through perceived size and contrast.