The Windows System 20 Colors

Color                           RGB Value

White                           255/255/255
Black                           0/0/0
Dark Gray                       128/128/128
Gray                            192/192/192
Red Red                         255/0/0
Dark Reddish Brown              128/0/0
Yellow                          255/255/0
Ugly Yellow Green               128/128/0
(Hideous)Bright Green           0/255/0
Dark Green                      0/128/0
Cyan                            0/255/255
Darkish Cyan                    0/128/128
Blue                            0/0/255
Dark Blue                       0/0/128
Magenta                         255/0/255
Purple                          128/0/128

These are the 16 Windows colors. You'll notice that these 16 colors are the first 16 colors on Windows paintbrush.

The remaining four Windows system colors are:

Pale Yellow                     255/251/240
Pale Green                      192/220/192
Light Blue                      164/200/240
Medium Gray                     164/160/164