The color palette changes in #49999 introduced some contrast issues on buttons, input elements, and links. This change ensures that all interactive elements have an appropriate contrast ratio.
Follow-up to [50025].
Props audrasjb, joedolson.
Fixes#52402.
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git-svn-id: http://core.svn.wordpress.org/trunk@49923 1a063a9b-81f0-0310-95a4-ce76da25c4cd
