Be a dull color to avoid being seen from out of the water.

The floor was cement and the walls were a dull brown color.

The head is round, and usually a dull green colour.

This clay traditionally would back to a dull gray color.

With its dull color, it would be almost invisible at night.

She never let him see anything black, and even kept all dull colors out of his way.

Eyes, skin, hair were all nearly the same dull color.

I look out the front window and everything I see is the same dull color.

They were the same dull gray color as the flowers.

His hair and his skin seemed the same dull color.