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CSS color formats

Estelle Weyl
HTML5 & CSS3 in the Real World
There are a variety of color formats in CSS include hexadecimal, RGB, RGBA, HSA, and HSLA. The “A” in RGBA and HSLA stands for “alpha” or transparency. HSL stands for hue, saturation, and luminosity. It’s a more intuitive way to select and alter colors as opposed to hexadecimal.
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