Use nuance to refer to a very small difference in color, meaning, or feeling. What makes singers brilliant is not how loud they can sing a note, but how many nuances they can evoke through their approach.
Pronounced "NOO-ahns," this noun was borrowed from French in the 18th century and derives ultimately from Latin nūbēs "a cloud." Think of clouds––subtle gradations in color to understand this word. When you say a work of art was nuanced, it means there was a lot to it, but incorporated subtly.