This makes conditions perfect for summer's emphasis on the clash of colour as the overriding male fashion trend.
But it was the impact of Hockney himself, with that rebellious rash of scruffy, bleached, yellow hair, those hefty circular glasses and his unabashed clashing of colour in his outfits, that made him the coolest man I'd ever seen.
The means he used were based on glaringly straightforward composition, a style of drawing that sums up an object, face or landscape in just a few lines, and a clash of colours.
When there was a clash of colours with the opposition and Olympic were the team obliged to change, the players wore dark blue shirts and white shorts.
Because of this requirement a team's second-choice is often referred to as its "away kit" or "away colours", although it is not unknown, especially at international level, for teams to opt to wear their away colours even when not required to by a clash of colours, or to wear them at home.
Be creative, and don't care if it's a horrible clash of colours (this is usually the most psychedelic-looking effect, although red and green should be avoided as they tend to look a bit too Christmas-like).
And the colour combinations, which portray a clashing nature of colour on colour, are meant to show mood, tension, and anxiety.
Jon also nominates QPR's third kit from the 1989-90 season, which was a jazzy black and orange number – their away kit was red and black and the lack of colour clashes meant it was left mouldering on the dressing room shelves.
Mahaneela Choudhury-Reid, a Londoner of colour, clashed with a smartly dressed commuter during what should have been the mid-morning quiet.
The latest collaborator to re-interpret its brand's DNA at high-street friendly prices is Italian label Marni – famed for left of centre shapes, quirky accessories and strong use of clashing colour and print.
