Incorrect: Color Alone Shouldn't Convey Meaning
If people can't distinguish between colors, then they can't use that part of your site.
Here is some example text
Here is some more example text...maybe you don't want to do this.
- W3C, "G183: Using a contrast ratio of 3:1 with surrounding text and providing additional visual cues on focus for links or controls where color alone is used to identify them", Techniques and Failures for Web Content Accessibility Guidelines, 2016.
- Princeton University Digital Accessibility, "Color Alone"