===Never use color alone to convey meaning===
If you add custom When adding content to your system be mindful you cannot use color alone to convey meaningas a color-blind or visually impaired user will may not be able to see detect the difference. Make sure any custom content you add has accompanying text, icons or divide the content up in another way. [[File:A11y-color-alone.png|thumb|none|400px|Do not use color alone to convey meaning.]]
===Include text alternatives for media===