Function IBM5153Contrast

IBM5153Contrast(source, dimmer): Uint32Array
Simulate the effects of the IBM 5153 monitor’s contrast knob.
Parameters
- source: Readonly<Uint32Array>
  The source palette.
- dimmer: number
  The dimmer amount. Range [0.0–1.0]
Returns Uint32Array
The adjusted/dimmed palette.

See
https://int10h.org/blog/2022/06/ibm-5153-color-true-cga-palette/