To be pedantic the traditional livery of Cardiff Buses until 1972 was Crimson Lake and Cream. See link below under Livery Chronology
https://en.wikipedia.org/wiki/Cardiff_Bus#Branding
I was working for the Council in the last days of Cardiff Buses in Crimson Lake and Cream and the traditionalists in the Transport Dept in Wood St and Sloper Rd were very protective of the old livery and were not happy at all with the move to orange