We needed to improve the accessibility of the Clutch colour-coded table at Apache Incubator.

See the email discussion that led to this: Re: Clutch color coding 2008-12-04 (http://s.apache.org/clutch_colour)

The solution is the CUD. See references and acknowledgement of the work of Masataka Okabe and Kei Ito.

The following images were produced using the Colour Blindness Simulator - Etre.

The vermilion and orange cells in the original table are the ones that we need to emphasise.

The "CUD" scheme ...

original

protanopia simulation

deuteranopia simulation

tritanopia simulation

The "red-orange-green" scheme ...

original

protanopia simulation

deuteranopia simulation

tritanopia simulation