It never used to be. Hence white was always a free cost option. The Police up here used to always have white vehicles, however, due to poor residual values they changed to silver, and now red and black. I have always bought white vehicles, for past 30 odd years. Easy colour to keep clean.
Seems white has become in vogue.
My wife has a red Allure Top. It looks okay, but swirl marks in paintwork in direct sunshine are a nightmare. Thanks again Macklin Motors, Paisley for such a crap car delivery. I'll never tire of shaming this bunch of cowboys.