Collocations for red - adj.

glow
The coals glowed red in the dying fire.

very | slightly
The leaves looked slightly red.

bright, brilliant, fiery, flaming, vibrant, vivid
flaming red hair

dark, deep, rich | light, pale | dull | blood, brick, ruby
her ruby red lips

be, look | flush, go, grow, turn
Mr Grubb was shouting and growing redder and redder in the face.

very | quite | rather, slightly

bright, fiery
He could feel himself going bright red.

with
Ross flushed red with embarrassment.

as red as a beetroot, red in the face
Charles was rapidly turning red in the face.