###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_ALPHA_TRANSPARENT A fully transparent 8-bit alpha value. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h) ## Syntax ```c #define SDL_ALPHA_TRANSPARENT 0 ``` ## Version This macro is available since SDL 3.1.3. ## See Also - [SDL_ALPHA_OPAQUE](SDL_ALPHA_OPAQUE) ---- [CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPixels](CategoryPixels)