Okay, I just want to say, this thing is amazing.
I guess it's kind of like color harmony training wheels, but I'll take it, man.
One day, when I'm more financially able, I'll give the Corel Painter trial a go and see if I get attached enough to buy it. It seems like it can do some cool stuff.
Since you linked this in the first place, do you happen to know if there's a way to tilt the mask shapes? The angle of the triangle shape ended up working pretty well for grabbing a color scheme for Xylo's piece anyway, but in other situations I can definitely see wanting them to be at different angles.
Thought I would toss this one in the pile: http://colorschemedesigner.com/
Link
QTMelon
Glad you like it. I also import those masks to work on art in Corel Painter since it lets you post images in as color palettes.
Another favorite of mine is this person's posts on color - http://aquasixio.deviantart.com/art/My-digital-access-code-424636563