紅 - crimson, deep red

red-blossomed plum tree; red Japanese apricot

black tea

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

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

deep red; crimson

lipstick

maple (tree)

flush; blush

mangrove (esp. the black mangrove, Bruguiera gymnorrhiza)

rice-bran bag (used for scrubbing the skin when bathing)

red-billed chough (Pyrrhocorax pyrrhocorax)

kōbaiyaki (senbei punched into shapes, e.g. plum)