The RGB color space is a combination of the red, green, and blue light components of additive color. The components of RGB are represented by the mathematical model:
R = red (0 ≤ R ≤ 255)
G = green (0 ≤ G ≤ 255)
B = blue (0 ≤ B ≤ 255)
The RGBA color space is a color space that includes an extra channel (alpha channel) for representing the transparency information of an image. An RGBA color is composed of four channels, where each channel is represented by 8 bits. In RGBA, the transparency information is stored in the alpha channel, and the color information is stored in the three RGB channels.
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