Expected Behavior

Calendar days of the week text should meet accessibility contrast ratios.

Actual Behavior

There is a 50% opacity applied to the days of the week above the calendar. This text color with the opacity doesn't meet contrast requirements.

URL, screen shot, or Codepen exhibiting the issue

Steps to Reproduce

https://storybook.grommet.io/?path=/story/visualizations-calendar-fill--fill

Your Environment

• Grommet version:
• Browser Name and version:
• Operating System and version (desktop or mobile):