| Option Category | # # DIRECT3D POST-PROCESSING OPTIONS # |
| Description | This is straight from the usage screen as there is no documentation on what this command does... chromaticity coordinate for second phosphor |
| Full Command | -chroma_b <float>,<float> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64 pacman -hlsl_enable -chroma_b 0.55,0.44 |
| mame.ini Command | chroma_b |
| Command Default | 0.30,0.60 |
| Argument Format | <float>,<float> |