[@Hank]: If you aren't afraid of getting a headache from staring at slightly differently colored squares for too long, then this test is fairly good in determining how good the combination of your screen and eyes is in regards of telling shades of color apart: [url]http://www.xrite.com/online-color-test-challenge[/url] (I get a zero (perfect score) with ease with both this and most other screens.)

But yeah ... the difference of the two colors is [i]very[/i] distinct to me. The first is [i]pink[/i] on this monitor, and no setting that doesn't shift or get rid of colors altogether doesn't change it for me. (RGB is as objective as you can get with colors over the net and through screens, so the second should be as red as red can go on any given screen, barring odd monitor settings.)

Edit: BBCode ate a space.