Contrast Check
Is your text readable? Check any two colors against WCAG 2 AA and AAA, see them live, and let the tool find the nearest color that passes.
—contrast ratio
The text color is semi-transparent, so it is blended over the background first.
Small print at 12px is the hardest to read.
ButtonInput field
Suggest a passing color
Keeps the hue and changes only the lightness, by the smallest step that passes.