1. palette swap - Noun
2. palette swap - Verb
palette swap (third-person singular simple present palette swaps, present participle palette swapping, simple past and past participle palette swapped)
(computer graphics, video games) To change the color palette used to render a palettized image.
palette swap (plural palette swaps)
(computer graphics, video games) An image that is the same as another but rendered with a different colour palette.
Nintendo's Luigi character started out as a palette swap of Mario.