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conspicuousness (usu. color); prominence; distinctiveness
彼の作品は異彩を放っていた。
His work stood out conspicuously.
会場で異彩を放つ衣装を着た。
She wore a costume that stood out at the venue.
新人ながら異彩ある才能を見せた。
Despite being a newcomer, he showed distinctive talent.