That is very weird :-\ , I havent actually heard of that before sounds like if anything was to blame it would be your nvidia ??? Although Im not sure.
Have you tried testing with the RBG picture that I provided in the tutorial?, And if so do the values match the ones you see there when you scan it.
That sounds to me like you are searching for a very weak red, on you compareColour() is your .red a very low number? e.g. 0-99Originally Posted by EricFerel
Either way its nice to see other people that are in this mainly for the coding.