And if players thought they could get away with shoes with bright orange soles (we are talking about you, Mr Federer), think again.
The All-England Club is dead serious about its white.
The rule categorically states that white does not include off-white or cream; there should be no solid mass or panel of colouring; a single trim of colour around the neckline and around the cuff of the sleeve is acceptable but must be no wider than 1cm; shoes must be almost entirely white, including the soles; and any undergarments that either are or can be visible during play (including due to perspiration) must also be completely white except for a single trim of colour no wider than 1 cm.
Phew!
However, the Championships, which began in 1877, has created a controversy or two and as we prepare for the hallowed 'green courts', here's a look at the trends that have raised eyebrows.
Please click on the dates to read more
Wimbledon: Top young men's players to watch out for
Federer picks his best Wimbledon match
Why Wimbledon lacks women's favourite
Federer and Nadal primed for dream Wimbledon final reprise
PIX: Tennis stars too hot to handle at pre Wimbledon party