An utter aside but One colour does have a tragic history:-<p>#RebeccaPurple or #663399<p><a href="http:&#x2F;&#x2F;www.economist.com&#x2F;blogs&#x2F;babbage&#x2F;2014&#x2F;06&#x2F;digital-remembrance" rel="nofollow">http:&#x2F;&#x2F;www.economist.com&#x2F;blogs&#x2F;babbage&#x2F;2014&#x2F;06&#x2F;digital-remem...</a>