# SDL_SetPaletteColors Set a range of colors in a palette. ## Header File Defined in [<SDL3/SDL_pixels.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h) ## Syntax ```c bool SDL_SetPaletteColors(SDL_Palette *palette, const SDL_Color *colors, int firstcolor, int ncolors); ``` ## Function Parameters | | | | | ------------------------------ | -------------- | ----------------------------------------------------------------------- | | [SDL_Palette](SDL_Palette) * | **palette** | the [SDL_Palette](SDL_Palette) structure to modify. | | const [SDL_Color](SDL_Color) * | **colors** | an array of [SDL_Color](SDL_Color) structures to copy into the palette. | | int | **firstcolor** | the index of the first palette entry to modify. | | int | **ncolors** | the number of entries to modify. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Thread Safety It is safe to call this function from any thread, as long as the palette is not modified or destroyed in another thread. ## Version This function is available since SDL 3.2.0. ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryPixels](CategoryPixels)