also: ごくさいしょく
richly colored; vividly colored; gaudy
Describes something decorated or painted in brilliant, often many, colors; can imply a dazzling or even gaudy effect.
The interior of the temple is adorned with richly colored decorations.
彼女は極彩色の着物を着て祭りに参加した。
She wore a vividly colored kimono to the festival.