Simon Willison’s Weblog

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2007

In rainbows. Dopplr generates a unique colour for each city using an MD5 hash. The colours are then used in subtle but intelligent ways throughout the design—right down to the favicon.

# 23rd October 2007, 10:39 pm / colour, design, dopplr, favicon, hashing, matt-biddulph, matt-jones, md5