Many animals are dull colored in order to better blend in with their natural habitats and avoid predation.
the answer is dull colour
The colour grey represents regret because its dull colour.
Dull silvery white.
either white or a dull yellow colour
green or some dull colour
Dun could be a dull greyish-brown colour, or a horse.
drab means dull, uninteresting; of dull brownish colour. drabbing however, is a Shakespearean term implying whoring or visiting prostitutes.
Mustard.
My mother had bought me a new bucket of 'Nipton' paint to decorate my room, but I didn't like the colour because it was too dull.
Because dull black is the best colour for spy aircraft
It can, but is usually more of a gray colour.
Male woodlouse tend to be a dull brown colour. Depending on the age, that colour generally fades to more of a grey.