Subtle.

From EAPWiki

Definition: not easy to detect or describe; fine; delicate

Part of Speech: adjective


Example:

8927801_Detail.jpg

This example is from: http://www.builderssquare.com


Use in Context: You can barely see the subtle blue, green, and orange in these beautiful champange flutes.

Retrieved from "http://esl.academyart.edu/wiki/index.php/Subtle."