Designers and developers use HEX colours in web design. A HEX colour is expressed as a six-digit combination of numbers and letters defined by its mix of red, green and blue (RGB). Basically, a HEX colour code is shorthand for its RGB values with a little conversion gymnastics in between. No need to worry about the conversion. There are plenty of free conversion tools online. Simply search, “RGB to HEX” to find one you’re comfortable with.
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