Accessibility: Improve the color contrast ratio replacing the residual occurrences of the #777 gray.

Uses the existing `#72777c` on white backgrounds and the new `#555d66` "dark medium gray" on darker backgrounds.

Fixes #35605.
Built from https://develop.svn.wordpress.org/trunk@36396


git-svn-id: http://core.svn.wordpress.org/trunk@36363 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrea Fercia
2016-01-26 00:04:26 +00:00
parent eba8321e21
commit af25083b6f
56 changed files with 110 additions and 118 deletions

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