Meanings

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

indigo-dyed leather

stencil dyeing produced with various shades of indigo

indigo wax shaped as an inkstick

indigo-colored ceramics

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

indigo dyer

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

Oscillatoria (cyanobacteria)

scum formed near the end of the indigo fermentation process

brown tinged with olive green and indigo

Buddhist convent or monastery

vivianite

dark steel blue

haüyne

covellite

indigo dyer

deep purple

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

pale cyan