The adult sooty-capped chlorospingus is 13.5 cm long and weighs 20g. The adult has a blackish head with a white supercilium and a grey throat. It has olive upperparts and yellow underparts, becoming white on the belly.
The sooty-capped chlorospingus adult is 13.5 cm long and weighs 20g. Its head is blackish with a white supercilium and a grey throat. The bird has olive upperparts and yellow underparts, which turn white on the belly.