It can be found in this blog post:

It tests your eyes and how they detect different hues. The lower your score, the better. I got a 7!

The bad thing is it depends somewhat on the quality of your computer monitor, so it’s a little flawed, but what the heck. My score was really good, so I’ll take it! Let me know what you get!

GOOD THING: brought a decent lunch from home today
BAD THING: didn’t sleep that great again last night