We don't have synonyms for color code yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are color-code, colour code and color coded.
(n) :
(American spelling) Alternative spelling of colour code. [(British spelling) Any system where colours are used to categorize elements of sets.]
(v) :
(transitive, American spelling) Alternative spelling of colour code. [(transitive, British spelling) To mark items with a colour code as a means of sorting.]
(n) :
(American spelling) Alternative spelling of colour code. [(British spelling) Any system where colours are used to categorize elements of sets.]
(v) :
(transitive, American spelling) Alternative spelling of colour code. [(transitive, British spelling) To mark items with a colour code as a means of sorting.]