\color_front(gray10); \color_front(100, 8, 58); % deep pink
\color_front(COLOR); \color_front(RED, GREEN, BLUE);
COLOR
Description : Indicates the name of the front color.
Type : Symbol.
Allowed values : One of the predefined color name :
[black, gray10, gray20, gray30,
gray40, gray50, gray60, gray70,
gray80, gray90, white].
RED
Description : Indicates the percentage of red in front color.
Type : Integer.
Allowed values : Any integer in range [0, 100].
GREEN
Description : Indicates the percentage of green in front color.
Type : Integer.
Allowed values : Any integer in range [0, 100].
BLUE
Description : Indicates the percentage of blue in front color.
Type : Integer.
Allowed values : Any integer in range [0, 100].