Standard colors
Color names
4-color characters
Playfield/Character Colors
Registers COLPF0 COLPF1 COLPF2 COLPF3 COLBK
Shadows COLOR0 COLOR1 COLOR2 COLOR3 COLOR4
Player/Missile Colors
Registers COLPM0 COLPM1 COLPM2 COLPM3
Shadows PCOLR0 PCOLR1 PCOLR2 PCOLR3