We use colour to draw attention to and/or to increase motivation, for the reader and to gather more information. WELCOME TO OUR WORLD!
Thankfully, with computers and desk top publishers , you can make some changes without establishing a New World Order for the Colour blind.
The lessons learnt in designing colours for web pages on the Internet, if you think about it, is really a colour compensation standard for information, products and marketing for colour blind people.
Designing for people with defective colour vision is not easy because you are not going to please all colour deficiencies. But at least being aware there are colour deficiencies in the world, is a start, keeping to some basic rules of colour and then colour compensating, will result in a lot more people accessing the product and/or information.
Some colour-blind people may like bright colours because they can detect them more easily. Use BLUE, YELLOW, WHITE and BLACK.
Use clear, recognisable and meaningful navigational clues on information to stop people turning off searches.
Use textures or line shading instead of colour.
Consider additional labels or the pattern function on the computer, especially for maps and charts.
Text must be pleasant and easy to read. small range of colours only Associate colour choices with each message or piece of information.
DO NOT USE washed or low intensity colours particularly on small bands, lines or text, as this will cause difficulty in colour discrimination.
DO NOT USE,
RED, GREEN, BROWN, GREY and PURPLE NEXT TO / ON TOP OF / OR CHANGING TO RED,GREEN, BROWN, GREY and PURPLE
DO NOT use light pastel colours in low light or bright light conditions.
DO NOT rely on colour alone to convey a message give some other visual clue.
DO NOT use colour from the same part of the spectrum.
BEWARE some colours may be perceived to look differently when placed on top or behind some other colours.