What is the typical coloration shared by the most basic finch plumage?

Answer

Brownish or sometimes greenish

The most basic plumage color across the Fringillidae family is generally described as brownish or sometimes greenish, often resulting in birds categorized as 'Little Brown Birds' (LBBs) for protective coloration.

What is the typical coloration shared by the most basic finch plumage?
birdanimaldescriptionfinch