Hex Color Formula: References tables that list the colors associated with the hexadecimal codes.

Hex Color Definition Our free online Hex Color Calculator makes it easy to enter in a hex code and instantly calculate what the color is. All you have to do is enter in the hex code (without the # sign), making sure to use all caps for any letters, and then press calculate. Calculating the hex code colors is easy. Try it out now and then be sure to try out all of our conversion calculators!

How to Calculate Hex Color Let's be honest - sometimes the best hex color calculator is the one that is easy to use and doesn't require us to even know what the hex color formula is in the first place! But if you want to know the exact formula for calculating hex color then please check out the "Formula" box above.