青あお緑みどり

noun, noun which may take the genitive case particle 'no'

blue-green; turquoise; aqua

Refers to a color between blue and green, often used for natural objects like the sea, plants, or gemstones. Can function as a noun or as a no-adjective.

• この海うみの青あお緑みどりがとてもきれいだ。

  The blue-green of this sea is very beautiful.

• 彼かの女じょは青あお緑みどりのドレスを着きていた。

  She wore a turquoise dress.

noun

spirogyra; pond scum algae

Archaic term for spirogyra or similar green algae that form floating mats on ponds. Modern Japanese usually uses 青味泥 (あおみどろ) or simply 藻 (も).

See also: アオミドロ

• 古ふるい文ぶん献けんでは、池いけの青あお緑みどりが水すい田でんの肥ひ料りょうにされたと記しるされている。

  Old documents record that pond scum algae was used as fertilizer for rice paddies.