I'm trying to edit the palette of the Super Mushroom sprite in "Super Mario All-Stars+World". I don't want to create a new palette, but just use an existing palette from the game (the mushroom platforms in particular). That way, I don't need to edit the palette and accidentally affect anything else that uses it. Just want that one sprite to use a different palette that's already in the game.
At the same time, that sprite has two states and corresponding palettes because it is both the sprite for the Super Mushroom and the 1UP Mushroom (which I don't want to change the colours for).
How can I achieve this?
EDIT: The sprite and palettes in question are from Super Mario Bros. / The Lost Levels. Basically, I want the Super Mushroom to use the palette of the mushroom platform so I can make it have similar colours to its NES counterpart. I'd also probably have to redraw a few parts so the right colour appears in the right area, but that might throw off the alternative 1UP Mushroom palette a big. Ideally, I'd also like to modify the 1UP State to use the same mushroom platform palette but so that it would have green spots instead of read. I've seen tutorials, and that seems doable. But it would have the side effect of changing the palette used by the Pipes as, which I'd like to avoid