Add color blind version

[Jesper-Hustad]

Problem

Site should try to have web accessibility in mind for color blindness

The key principle of web accessibility for users with color-blindness is:
Perceivable: the difference between certain color combinations may be difficult to perceive.

Solution

A "color-blind" toggle button making colors more vibrant and removing red or green since since red-green deficiencies are an especially common type of color-blindness.

[Jesper-Hustad]

Thanks #2 @zarubikon for the idea!

[Jesper-Hustad]

Colors are now more color blind friendly. I do not know if some people are still having difficulty playing with the current color scheme. Could add a color toggle button if that would help?