Why is chuck norris red?
HTML was designed to be fool-proof, being able to handle errors and attempt to fix them silently. As such, using invalid colours in attributes are parsed and forced into a hexidecimal color.
First, whitespaces are removed and suffixed with zero's until it's dividable to three.
ChuckNorris0
Then it's split in three.
Chuc kNor ris0
Because a hex color is only two characters big, every part is truncated to two characters.
Ch kN ri
Finally non-hex characters are replaced with zero's and then the colors are joined back together so we have a our hex code.
C0 00 00