Improve the contrast of the default `search_match_background` colors (#7382)

This PR improves the contrast of the default `search_match_background`
colors.

Release Notes:

- Improved the contrast of the default `search.match_background` colors.

Marshall Bowers committed 2y ago

8030e8cf4751bb6f930aeacbce3f95e824c8bea9

Parent: 45429a4

Committed by GitHub <noreply@github.com> on 2/5/2024, 3:45:41 PM