- From: Tab Atkins Jr. <jackalmage@gmail.com>
- Date: Mon, 16 Mar 2015 16:23:23 -0700
- To: Andrew VanWagoner <thetalecrafter@gmail.com>
- Cc: www-style list <www-style@w3.org>
On Fri, Mar 13, 2015 at 7:49 PM, Andrew VanWagoner <thetalecrafter@gmail.com> wrote: > Section 10.5 includes an incorrect formula for calculating contrast ratio: > > (L1 + 0.05) / (L2 + 0.05) > > where L1 is the smaller of the two luminances, and L2 is the larger. > > According to http://www.w3.org/TR/WCAG20/#contrast-ratiodef > L1 is the *lighter* of the two, and lighter colors have a *larger* relative > luminance (1 white, 0 black) > > so it should read: > > where L1 is the larger of the two luminances, and L2 is the smaller. Fixed, thanks. ~TJ
Received on Monday, 16 March 2015 23:24:09 UTC