Grey in the color selector

[brianc]

Is it possible to select shades of grey in the color selector? From what I can tell, you can get white (at the top), black (at the bottom), and colors (everywhere else), but there's nowhere to pick a color of grey from what I can tell.

[lucasparis]

-right click on 2d rainbow -click grayscale
metal style

[brianc]

Excellent, thanks!