藍

dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)

Aino University

haüyne

synthetic indigo

temple (esp. large one)

natural indigo

lazulite

deep purple

blue-collar

Mercurialis leiocarpa (species of mercury whose leaves can be used to produce an indigo dye)

Brussels sprout

pupil excelling his master

mottled spinefoot (Siganus fuscescens)

natural indigo

blotched foxface (Siganus unimaculatus)

anil indigo (Indigofera suffruticosa)

brown tinged with olive green and indigo

indigo-dyed leather

surpassing one's master

indigo-colored ceramics

little spinefoot (Siganus spinus)

indigo blue

livid

pale cyan

pale cyan

indigo dyer

stencil dyeing produced with various shades of indigo

scum formed near the end of the indigo fermentation process

indigo dyer

ball of dried, ground, fermented dyer's knotweed leaves

ball of dried, ground, fermented dyer's knotweed leaves

indigo-dyed paper

Psilocybe subcaerulipes (species of psychoactive mushroom)

lightly re-dyeing something with indigo

cyanite

indigo blue

indigo blue

indigo blue

dark steel blue

indigo

blue-green bacterium

kale (Brassica oleracea var. acephala)

glaucophane

the student has become the master

dark indigo

large temple edifice

kale (Brassica oleracea var. acephala)

indigo dye

complete seven-structured temple compound

ukiyo-e print produced with various shades of indigo (and sometimes small amounts of vermilion or yellow)

vivianite

ukiyo-e print produced with various shades of indigo (and sometimes small amounts of vermilion or yellow)

violet tinged with indigo

cyanophyte

kohlrabi

Assam indigo (Strobilanthes cusia)

green-cracking russula (Russula virescens)

cabbage

ukiyo-e print produced with various shades of indigo (and sometimes small amounts of vermilion or yellow)

indigo wax

dyeing poison dart frog (Dendrobates tinctorius)

stitching together armor with indigo-dyed leather

deep indigo

azurite

indigo-tinged grey (gray)

covellite

earthenware pot for storing indigo dye

empty

mixture of lime and fermented indigo leaves after the indigo dye has precipitated from the leaves (byproduct in the process of creating indigo dye)

pelican

religious buildings (temples, shrines, pagodas, etc.)

indigo wax shaped as an inkstick

kai-lan

Buddhist convent or monastery

Oscillatoria (cyanobacteria)

indigo

blue-green algae

indigo blue make-up used in kabuki

any shark of genus Centrophorus (esp. the dwarf gulper shark, Centrophorus atromarginatus)

dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)

dyer's knotweed (Persicaria tinctoria, used to produce indigo dye)

indigo-dyed leather

indigo

Medal with Blue Ribbon