RGBARGBA is a variation of the RGB color model that allows for alpha transparency.
In the RGBA system, each pixel's or items color is chosen using 4 values corresponding to Red, Green and Blue, plus additional an alpha channel that specifies its degree of transparency or opacity.
The most common RGBA system uses a color depth of 32 bits per pixel, 8 bits each for the red channel, green channel, blue channel, and alpha channel, in each case allowing a range of values from 0 to 255.
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