Format guide
RGB
Red Green Blue color tuple
RGB describes a color by the intensity of red, green, and blue light needed to produce it on a screen — each channel 0 to 255. It's the native model of every display device since CRT monitors, and the underlying representation behind hex codes (#FF6347 is just rgb(255, 99, 71) in hexadecimal). Used directly in CSS, web design, every image format, and digital photography pipelines. Doesn't represent print colors well, that's CMYK's job.
How to open a RGB file
RGB values appear as text in CSS files, design tool color pickers, and web inspector tools. Pasting `rgb(255, 99, 71)` into Chrome DevTools' color input gives you a swatch. Designers most often deal with RGB through HEX codes (the same data, different encoding).
Primary use
Specifying screen colors in code and design tools.
Convert other formats to RGB
Convert RGB to other formats
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