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HTML Introduction to HTML and CSS Make It Beautiful With CSS Select and Style by Element

When is the hexadecimal system for choosing a color explained?

In this video, she mentioned the option of choosing a color in CSS by using the hexadecimal system "as you've already seen".. But this has not been mentioned yet in any of the videos of the Introduction to HTML and CSS track... Where/when does this get explained?

1 Answer

Steven Parker
Steven Parker
220,463 Points

I'm not sure which lesson it's in, but here's the basic scoop:

Hex color codes are three byte hexadecimal numbers (meaning they consist of six digits), with each byte, or pair of characters in the Hex code, representing the intensity of red, green and blue in the color respectively.

Hex code byte values range from 00, which is the lowest intensity of a color, to FF which represents the highest intensity. The color white, for example, is made by mixing each of the three primary colors at their full intensity, resulting in the Hex color code of #FFFFFF. Black would be #000000, and red would be #FF0000.

A little experimentation with one of the many color picker tools might be useful, such as this one at w3schools.