noun
coloration
kul-uh-RAY-shun/ˌkʌləˈreɪʃn/
The giving or arrangement of visible hues.
The butterfly's wing displays intricate natural coloration across its surface.

Etymology
Originally the act or fact of coloring, coloration also names the visible result: the overall appearance of color or the arrangement of colored marks on a surface.
In context
I assume it's white chocolate I mean it's got to be based off the coloration
More examples
- The fabric gets its rich coloration from natural dyes.
- Iron gives these rocks their reddish coloration.
- These butterflies display several distinct colorations.
Forms
coloration · colorations
color verb — To give or apply color.
Similar words
- coloring
- Often interchangeable, especially for an object's natural color patterns.
- pigmentation
- Refers specifically to color produced by pigments in tissues.