noun
colorist; colourist
A professional who specializes in coloring, such as in hair, makeup, comics, or film color grading. The term is a direct loan from English and is used in similar contexts.
彼女は有名なカラリストで、雑誌の仕事をたくさんしている。
She is a famous colorist and does a lot of work for magazines.
美容院でカラリストに髪の色を相談した。
I consulted the colorist at the hair salon about my hair color.