| GetBrightnessF(Color32) | Gets the brightness of a Color32 instance as a float value based on human perception. The A component of the specified value is ignored. |
| GetBrightnessF(Color64) | Gets the brightness of a Color64 instance as a float value based on human perception. The A component of the specified value is ignored. |
| GetBrightnessF(Color32, WorkingColorSpace) | Gets the brightness of a Color32 instance as a float value based on human perception. The A component of the specified value is ignored. |
| GetBrightnessF(Color64, WorkingColorSpace) | Gets the brightness of a Color64 instance as a float value based on human perception. The A component of the specified value is ignored. |