Windows allows you to set any pixel to any 24-bit colour.

Not really an OS thing, you can get 24 bit 'true' colour on Linux/macOS too depending on term. Alacritty supports it, for example.

You need support from third party software such as Xorg or Weston. On Windows, it just works.

	▲	cap11235 2 hours ago \| parent [-]
		Do you think xorg and weston dont support more than 16 colors? You just run a different terminal emulator.