Do you want to change the palette for a game, or to make your own theme for TIC-80 ?
You should get answer for both in the Palette page of the wiki: https://github.com/nesbox/TIC-80/wiki/palette
Do you want to change the palette for a game, or to make your own theme for TIC-80 ?
You should get answer for both in the Palette page of the wiki: https://github.com/nesbox/TIC-80/wiki/palette