It's the colour of Scuderia Ferrari, added by Enzo Ferrari - the backdrop of the prancing horse shield and the colour of his beloved hometown of Modena. Despite the wrong-headed notion that any Ferrari that's not finished in Rosso Corsa can't be a proper Ferrari, Yellow is currently our favorite automotive colour.
And the thing is, it's one of the best complimentary colours known to man. Splash it against the Rosso Corsa of the Ferrari 250 GTO (above) and you can see how the offset lifts both car and background.
It might be that it's the colour of sunshine (and there's certainly been a fair amount of that so far this English summer), but there's something about the brashness of yellow that seems appropriately jarring. Colour matters. Celebrate life. Drive a yellow motor.