This is something very useful to have bookmarked in your browser.
RGB Color Codes Chart
http://www.rapidtables.com/web/color/RGB_Color.htm (http://www.rapidtables.com/web/color/RGB_Color.htm)
there is one built into the IDE in tools.
lol! Also the RGB Hex format on GLB is BGR - dont know why :)
I found it!
Tools->Options
The RGB Color Codes Chart web page given in the first post still functions even after saving to the Desktop.
Guys I made my own in app color chart for my Pong remake...
works a treat...I would suggest it over a color wheel which is very 1990s :)