Commodore 128 System Manual page 393

Color Codes— 40 Columns
0 Black
1 White
2 Red
3 Cyan
4
Purple
5 Green
6
Blue
7
Yellow
Border Control Memory 53280
Background Control Memory 53281
8 Orange
Brown
9
10 Light Red
Dark Gray
11
Medium Gray
12
13 Light Green
14 Light Blue
15 Light Gray
F-3