Netscape Color Grid
GG=00
GG=33
GG=66
GG=99
GG=CC
GG=FF
RR=
0
3
6
9
C
F
0
3
6
9
C
F
0
3
6
9
C
F
0
3
6
9
C
F
0
3
6
9
C
F
0
3
6
9
C
F
BB=00
BB=33
BB=66
BB=99
BB=CC
BB=FF