While this image has exactly the 3:1 contrast ration required of large text (smaller text needs a 4.5:1 contrast ratio), the visual representation can be reproduced in text and is not essential to the information being conveyed.

While this image has exactly the 3:1 contrast ration required of large text (smaller text needs a 4.5:1 contrast ratio), the visual representation can be reproduced in text and is not essential to the information being conveyed.