Of a bright, metallic blue colour (electric blue).(adjective)
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Use "electric-blue" in a sentence
"On the evening of the Feud, Jenni turns up in an all-in-one black jumpsuit, and Wolfie is "dressed to kill in an electric-blue ska suit and white vinyl brothel-creepers with steel toecaps inlaid"."
"Why is there an electric-blue fleece in a rubbish tip?"
"A crack appeared, followed by an electric-blue flare as an emergency force field automatically snapped into place."