Selecting aesthetically pleasing random colors

Question

I have set of categories (the number of which changes according to specific state) each of which I need to assign a unique color.

I have tried using random colors but they look bad, so I need a method of generating random colors which suit each other.

Answer 1

You should look in to colour theory and complementary colours; this will give you colours which work well together.

Have a look at Color Scheme Designer. Use the tetrad mode to see how you can combine 4 colours and different shades to give a number of distinct areas in the image.

Here is a colour shades chart and some examples which may help you.