One of two matching colors with different spectra

Now we are looking on the crossword clue: One of two matching colors with different spectra.
it’s A 49 letters crossword puzzle definition. See the possibilities below.

Did you find what you needed?

We hope you did!. If you are still unsure with some definitions, don’t hesitate to search them here with our crossword puzzle solver.

Possible Answers: METAMER.