DISCO Review users now have the capability of assigning a color to a tag group. The colors to choose from are light blue, dark blue, pink, purple, gold, brown, red, and gray (default). If a color is not specified for a tag group, that tag group will automatically be assigned the color gray.
Tag group colors make it is easier to see tags by group. Having a tag group color coded allows a tag group to stand out. Color coding your tag groups also helps in organizing your tags and assists in making the review process even faster, since you can identify tag types at a glance.
For more information, see Working with tags.