hex_color
Checks that the value is a hex color: # and 3, 4, 6 or 8 hex digits, for example #f80 or #FF8800.
Error codes: WRONG_HEX_COLOR, FORMAT_ERROR
rules
input
Invaliderrors
{
"color": "WRONG_HEX_COLOR"
}Hex digits are case-insensitive, and the case of the input is kept in the output.