The Yellow-green Grosbeak has a heavy gray bill, a black face and throat, and pale yellow-olive and yellow plumage. This account records it in Brazil's Rio de Janeiro State.
The upperparts are light yellow-olive, the face and throat black, the forecrown yellow, and the underparts light yellow. The bill is heavy and gray with a black tip.
It forages in the canopy and subcanopy of tall trees, sometimes lower in fruit-bearing shrubs and small trees.
An extinction-risk assessment has not been added yet.