A while back I moaned about the Guardian's use of colour coding in the 'recent form' column of their football league tables.
They have a coded bar for games lost (red), won (green) and drawn (grey). The problem is that the colours are tonally similar and the significant number of males with some degree of red-green colour blindness will struggle to see the difference.
Then:
But I looked again recently, and they've now introduced an additional spatial code - a nice example of necessary redundancy.
Now:
Thanks!