ChatTwo's ColourUtil.RgbaToAbgr expects the input to be 0xRRGGBBAA
(see Settings.cs Ko-fi buttons, e.g. 0xFF5E5BFF for Ko-fi pink),
not 0xAARRGGBB. The previous palette was bit-shifted by one byte,
which is why the supposedly cyan-teal accents rendered as
half-transparent magenta in-game.