###### (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_FLOAT

A fully transparent floating point alpha value.

## Header File

Defined in [<SDL3/SDL_pixels.h>](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_pixels.h)

## Syntax

```c
#define SDL_ALPHA_TRANSPARENT_FLOAT 0.0f
```

## Version

This macro is available since SDL 3.1.3.

## See Also

- [SDL_ALPHA_OPAQUE_FLOAT](SDL_ALPHA_OPAQUE_FLOAT)

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[CategoryAPI](CategoryAPI), [CategoryAPIMacro](CategoryAPIMacro), [CategoryPixels](CategoryPixels)