Make sure color is not used as the only visual means of conveying information

[maxpatiiuk]

Evaluate Sp7 for violations of the following rules
https://www.digitala11y.com/understanding-sc-1-4-1-use-of-color/
https://www.w3.org/TR/WCAG21/#sensory-characteristics
https://www.w3.org/TR/WCAG21/#use-of-color