Having the color of an adult male Mallard duck's head plumes.

The color of an adult male Mallard duck's head plumes, a dark blueish-green tone.

Enough!, Stop!

enough, sufficient

A person who discovers something that previously existed; a discoverer, an explorer.

A person who owns a house of their own; a homeowner. / A person who owns a rental house or apartment; a landlord. / A person, organization, city etc. that is entertaining a guest; a host.

(dated) An act of belittling, undermining, scorn, contempt.

wavy, wiggly, flowing, undate

Having the color of mold on lemon peel.

The color of mold on lemon peel, a light greenish-blue tone.