# SDL_GetSurfaceColorMod Get the additional color value multiplied into blit operations. ## Header File Defined in [<SDL3/SDL_surface.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_surface.h) ## Syntax ```c bool SDL_GetSurfaceColorMod(SDL_Surface *surface, Uint8 *r, Uint8 *g, Uint8 *b); ``` ## Function Parameters | | | | | ---------------------------- | ----------- | ------------------------------------------------------- | | [SDL_Surface](SDL_Surface) * | **surface** | the [SDL_Surface](SDL_Surface) structure to query. | | Uint8 * | **r** | a pointer filled in with the current red color value. | | Uint8 * | **g** | a pointer filled in with the current green color value. | | Uint8 * | **b** | a pointer filled in with the current blue color value. | ## Return Value (bool) Returns true on success or false on failure; call [SDL_GetError](SDL_GetError)() for more information. ## Thread Safety This function is not thread safe. ## Version This function is available since SDL 3.2.0. ## See Also - [SDL_GetSurfaceAlphaMod](SDL_GetSurfaceAlphaMod) - [SDL_SetSurfaceColorMod](SDL_SetSurfaceColorMod) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategorySurface](CategorySurface)