Hexadecimals are used a lot on the internet, they are used to substitute color values such as red, blue, green etc. Hexadecimals are six character strings that can be made up of letters (A-F) and numbers (0-9).
The first two characters represent the intensity of red in the color.
The second two characters represent the intensity of green in the color.
The third two characters reprsent the intensity of blue in the color.
In hexademimals F is the strongest or brightest of the characters that can be used. 0 is the weakest or darkest character that can be used.
Below is a chart of hexadecimal colors.
Hexadecimal Color Chart
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