napoleon blue

noun

often capitalized N
: a deep blue that is greener and very slightly deeper than Yale blue and greener, lighter, and stronger than royal (see royal sense 8b)

called also Helvetia blue

Word History

Etymology

after Napoleon I

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Dictionary Entries Near napoleon blue

Cite this Entry

“Napoleon blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/napoleon%20blue. Accessed 24 Jun. 2024.

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