SPECTRUM END Crossword Clue

The most common solution for the crossword clue "SPECTRUM END" are RED with 3 letters.
We know 2 solutions for: SPECTRUM END
Crossword Puzzle Infos
The term 'spectrum end' refers to the two ends of the visible light spectrum, which is made up of all the colors of the rainbow. The two ends of the spectrum are VIOLET and RED, with VIOLET being the color with the highest frequency and RED being the color with the lowest frequency.
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