A Primary Color
This page is the CodyCross answer for the clue below from Medieval Times, Group 228, Puzzle 4 (Medicinal Spices).
Question
A Primary Color
Answer
YELLOW
Word Meaning:
YELLOW — The color of sunflower petals and lemons; the color obtained by mixing green and red light, or by subtracting blue from white light; the color evoked by light of wavelength around 580 nm; one of the three primary colors in subtractive color systems.
Definitions from Wiktionary.