IPA: /ˌkʌləˈrɪstɪkli/
KK: /ˌkʌlərˈɪstɪkli/
In a way that relates to color or the use of color.
The artist painted coloristically, using vibrant hues to convey emotion.
Coloristically → It is formed from "color" (from Latin "color", meaning hue or appearance) and "-istic" (from Greek "-istikos", meaning pertaining to). The word "coloristically" refers to something that pertains to or is characterized by color.
Think of 'color' as the hue or appearance, and '-istic' means pertaining to it — so coloristically describes something related to color.