non-photo blue

noun

A shade of blue that cannot be detected by graphic-arts camera film, thus useful in the design and print industry for writing notes on layouts to be photographed, or for laying down sketch lines.

Meanings

nounnon-photo blue (uncountable)
  1. uncountableA shade of blue that cannot be detected by graphic-arts camera film, thus useful in the design and print industry for writing notes on layouts to be photographed, or for laying down sketch lines.

    Synonyms: non-repro blue

Synonyms & antonyms

nounA shade of blue that cannot be detected by graphic-arts camera film, thus useful in the design and print industry for writing notes on layouts to be photographed, or for laying down sketch lines.

Cite this entry
APA

non-photo blue. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/non-photo%20blue

MLA

“non-photo blue.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/non-photo%20blue. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “non-photo blue,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/non-photo%20blue.

Source: non-photo blue on Wiktionary, CC BY-SA 4.0.