9 Yrs$✓#

I'm for more OS-kuns, app-kuns, ...
10 Yrs♥✓#
0 to Colour
IDK, that sounds pretty gay to me.
9 Yrs$✓#
That would be 0 to rainbow. In either case I would use the color's saturation for the rating, grayish being a bad rating and fresh unicorn pukeish being a good rating.
10 Yrs♥✓#
You know, it occurs to me we already have color-based ratings:

7 Yrs♥$✓#
Mellori7 Yrs♥$✓#
Needs more colors.
12 Yrs♥✓#
Including the big three: stunning, fierce, and yellow.
10 Yrs✓#
seznam8810 Yrs✓#
Filled it out just now!
13 Yrs♥F
$✓#
pfff ... I can be colourfui too!!!