# phthalo blue

> English word · Noun

## Definitions
1. A bright greenish-blue crystalline synthetic pigment from the group of phthalocyanine dyes.

## Etymology
From phthalo and blue, from phthalocyanine.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/phthalo-blue