immortal jellyfish (Turritopsis nutricula)
light pink; light crimson
fly agaric (species of poisonous mushroom, Amanita muscaria)
red snow crab (Chionoecetes japonicus)
common redpoll (Carduelis flammea)
red avadavat (Amandava amandava); strawberry finch; red munia
autumn fern (Dryopteris erythrosora); Japanese shield fern; Japanese wood fern; copper shield fern
red-blossomed plum tree; red Japanese apricot
cheek rouge; blusher; blush
crimson and purple; red-purple; magenta
red food coloring; red food colouring
red snow (due to microscopic algae, yellow sand, etc.)
muddy colored lipstick or rouge
lipstick brush; benifude (variety of Japanese apricot)
Monascus purpureus (species of mold); ang-khak
bright red tinged with yellow; variety of sweet potato with red skin and sweet yellow flesh (product of the Kawagoe region)
purple yam; water yam (Dioscorea alata); purple fleshed sweet potato (any one of several different such); Conus pauperculus (species of cone shell)
sockeye salmon (Oncorhynchus nerka)
Russula (genus of mushrooms)
water pepper (Persicaria hydropiper f. purpurascens)
long-tailed rosefinch (Uragus sibiricus)
Ceriagrion nipponicum (species of damselfly)
Monascus purpureus (species of mold); ang-khak
Anthurium lily; flamingo lily; Anthurium
red chestnut (horse coat color)
benidaizu soybean; crimson soybean (trad. grown in Yamagata)
lipstick that actors put on their earlobes, cheeks and corners of eyes; lipstick discreetly put on the earlobes or the corners of the eyes (by women)
benigirai; (style of) ukiyo-e woodblock print which completely omits vermilion