Definition of cerulean blue
1a
: a variable color averaging a strong greenish blue that is bluer and duller than grotto or cobalt blue and bluer and lighter than indigo carmine
b
: a strong blue that is greener and stronger than Sèvres and greener, lighter, and stronger than Victoria blue
— called also coelin
2
: a stable light greenish blue pigment consisting essentially of oxides of cobalt and tin and used as an artist's color
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“Cerulean blue.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cerulean%20blue. Accessed 13 Aug. 2022.
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