1.4.3 Conformance Shown with Non-Technical Explanation
1.4.3 Contrast (Minimum) (Level A)
The heading conforms to 1.4.3 because it has a contrast ratio of 7.12:1, exceeding the necessary 4.5:1 contrast ratio. Note that black text on a white background has a much better contrast, 21:1.
1.4.3 Non-Conformance CSS Markup and Technical Details
body {bodybackground-color:#006633;}