| Format | Component | |||
|---|---|---|---|---|
| R | G | B | A | |
| ALPHA | - | - | - | alpha |
| LUMINANCE | luminance | luminance | luminance | - |
| LUMINANCE_ALPHA | luminance | luminance | luminance | alpha |
| INTENSITY | intensity | intensity | intensity | intensity |
| RGB | red | green | blue | - |
| RGBA | red | green | blue | alpha |
| Channel | RED | GREEN | BLUE | ALPHA | LUMINANCE | INTENSITY |
|---|---|---|---|---|---|---|
| Internal | red | green | blue | alpha | red* | red* |