紅 - crimson, deep red

red-blossomed plum tree; red Japanese apricot

maple (tree)

lipstick

red and white; colours for festive or auspicious occasions (colors)

leaves turning red (in autumn); red leaves; autumn colours; fall colors

black tea

deep red; crimson

flush; blush

hemoglobin; haemoglobin

roseate tern (Sterna dougallii)

red algae; Rhodophyta

red flame