Check your apps and dev for colour blindness readiness
PDF version
Did you know that: 7-10% of men are red-green colour “blind”
Here is a nice tool to check your development and applications for the most common types colour blindness:
color oracle:
http://colororacle.cartography.ch
Once installed (requires Java), with a simple right click, you can view your entire desktop or application (rich or thin) rendered as the folks w/ colour “blindness” would see it:
(thx Hadley for the info)