- From: Patrick H. Lauke <redux@splintered.co.uk>
- Date: Sun, 20 Aug 2017 18:10:57 +0100
- To: w3c-wai-gl@w3.org
On 20/08/2017 11:41, David MacDonald wrote: > There recently was a Twitter discussion about colour contrast combinations. > > https://twitter.com/davidmacd/status/899215930445754368 > > There seems to be consensus from stakeholders that when black #000000 is > contrasted against some colours, the 4.5 threshold is met even when it's > hard to see. I've noticed this for years, and it seems others have too, > but the Twitter discussion got me thinking about it again. > > Black against #777777 passes, and black against dark orange passes, but > to the eye, white #FFFFFF which fails, seems much more readable against > this grey or against this orange. > > There is something about black #000000 which needs a little tweak in the > algorithm. > > Perhaps when black is against colour spectrum X, it requires a higher > contrast minimum? Are you sure it's literally *just* full #000000 black? What about #000001? My point being that it's perhaps not just about that one particular color, but more about a particular part of the spectrum / the color space used? P -- Patrick H. Lauke www.splintered.co.uk | https://github.com/patrickhlauke http://flickr.com/photos/redux/ | http://redux.deviantart.com twitter: @patrick_h_lauke | skype: patrick_h_lauke
Received on Sunday, 20 August 2017 17:11:21 UTC