http://simonwillison.net/2007-10-23T22:39:15+00:00Simon Willison2007-10-23T22:39:15+00:002007-10-23T22:39:15+00:00https://simonwillison.net/2007/Oct/23/dopplr/#atom-tag

<p><strong><a href="http://blog.dopplr.com/index.php/2007/10/23/in-rainbows/">In rainbows</a></strong></p> 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. <p>Tags: <a href="https://simonwillison.net/tags/colour">colour</a>, <a href="https://simonwillison.net/tags/design">design</a>, <a href="https://simonwillison.net/tags/dopplr">dopplr</a>, <a href="https://simonwillison.net/tags/favicons">favicons</a>, <a href="https://simonwillison.net/tags/hashing">hashing</a>, <a href="https://simonwillison.net/tags/matt-biddulph">matt-biddulph</a>, <a href="https://simonwillison.net/tags/matt-jones">matt-jones</a>, <a href="https://simonwillison.net/tags/md5">md5</a></p>