GitLab

This is the Accessibility Developer Tools suggested color
for a 4.5 contrast ratio (minimum for AA rating[1] /
audit to stop barking).

R=kalman@chromium.org
BUG=439227

[1] http://www.w3.org/WAI/WCAG2AA-Conformance

Review URL: https://codereview.chromium.org/893603006

Cr-Commit-Position: refs/heads/master@{#314022}