Definitions

1. noun

The phenomenon where two or more colors or shades of color appear identical when viewed separately but differ when placed side by side, due to differences in their spectral reflectance.

“The designer noticed that the fabric’s color looked different when hung on its own versus when placed next to the wall, a result of metamerism.”

2. noun

A condition in which two or more colors or shades of color that appear identical to the human eye under one set of lighting conditions appear different under another set of lighting conditions.

“The artist had to account for metamerism when creating the color scheme for the advertisement.”