32-bit color, in a RGB color space, is a color depth that can theoretically allow for up to 4,294,967,296 unique colors. However, it is typically split into four sets of 8-bit values for 256 levels per RGBA channel (red, green, blue, and alpha). The three 8-bit RGB values deliver 16,777,216 unique colors, the same as 24-bit color, but with the addition of 256 levels of transparency defined by the alpha channel. This color space has been supported by Adobe Photoshop since version 1.0 in 1990.
See also[]
External links[]
- 32-bit color at the Apple Wiki
- Color depth at Wikipedia
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