how do you use the color code in gfill?

RGB(Red,Green,Blue)

GFILL 0,0,4,8,RGB(10,10,10)

Or "#"+Color Name. #RED,#BLUE,#YELLOW,#GREEN...We can use Graphic,Sprite and BG. For Text(PRINT),we use #TRED,#TBLUE,#TYELLOW,#TGREEN...

Thank you guys!