In what year was the album “Couleur” released by 泉こなた (平野綾)?

In what year was the album “Couleur” released by 泉こなた (平野綾)?: The album “Couleur” was released in 2018 by 泉こなた (平野綾), featuring 8 tracks.
What is the most successful song from the album “Couleur” by 泉こなた (平野綾)?: “Wasteman” is the biggest hit from the album “Couleur” by 泉こなた (平野綾).

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