Dun is a marking that causes stripes on the legs and back of a dinosaur (Including the forehead and tail if Hom.).  This marking can have a soft or a hard edge, but may never have a fully blended edge.  This marking also cannot mimic other markings.

This marking can be darker than the base color.
This marking must be one solid color.

Marking Range:

This is an example of  het. Dun.

This is an example of hom. Dun. also displaying the minimum amount of striping on the legs.