South Korea's Hanteo Chart reported that
Color*Iz broke the record for highest first week sales of a debut album for girl groups by selling more than 34,000 units on the day of its release. Iz*One subsequently became the fourth highest K-pop girl group in first week album sales after selling of about 80,000 copies, as recorded by Hanteo.
Color*Iz charted at number two on the
Gaon Album Chart on its first week, while the single "La vie en Rose" charted at number 14 on the
Gaon Digital Chart. All seven tracks debuted on the Gaon Download Chart and with only three days to accumulate points, the album charted at number 4 on the Monthly Gaon Album Chart, selling 98,311 copies in October. In Japan, the album debuted atop both the
Oricon Weekly Album Chart and Oricon Weekly Digital Album Chart, selling 12,000 physical copies and 3,000 digital copies respectively for the week of October 29 – November 4, 2018. The album also charted at number nine on
Billboards
World Albums chart while "La Vie en Rose" debuted at number six on the
World Digital Songs chart. According to Nielsen Music, it sold 1,000 copies from October 26 to November 1 and was the week's best-selling k-pop song. Iz*One became only the eight Korean girl group to have their debut release appear on both the World Albums and World Digital Songs charts. ==Track listing==