HTML Color Codes are the medium of representing the colors format that a computer could read and display. The most used Color codes are Hex codes. Hex codes are three-byte hexadecimal numbers (consist of six variables), with a pair of characters in the Hex code, representing the intensity of red, green, and blue in the color respectively.

Format of Hex Color Codes: Each Hex color code contains the symbol “#” followed by 6 alphabets or numbers. Numbers are in the hexadecimal numeric system. There are 1,67,77,216 different color possibilities. 00 value range of the code represents the lowest intensity of color on the other hand FF value range of code represents the highest intensity.

Meaning of a Hex code:

• The 1st and 2nd variable in Hex color code represents the intensity of red color.
• The 3rd and 4th variable represents the intensity of green.
• The 5th and 6th variable represents the intensity of blue.
• By combining the intensities of red, green, and blue almost any color can be made.

The white color is a mixture of the three primary colors at full intensity representing the Hex color code #FFFFFF.

The black color is a mixture of the three primary colors at the lowest intensity representing the color code #000000.

Examples:

#FF0000 – This HTML color code shows just red and no green and no blue. 
#00FF00 – This HTML color code shows just green and no red and blue. 
#0000FF – This HTML color code shows just blue and no red and green. 
#FFFF00 – This HTML color code is a mixture of red and green colors defined as yellow. 
#CCEEFF – This HTML color code is a mixture of more green and maximum blue provides color like the sky.

List of some common HTML color codes:

Hex Color Codes with the saturation of basic single colors and lightness of that colors that can be used:

Shades of RED Colors:

Shades of ORANGE Colors:

Shades of YELLOW Colors:

Shades of GREEN Colors:

Shades of BLUE Colors:

Shades of WHITE Colors:
 

Shades of BROWN Colors: