Colour of the Three-Wheeled Van the Trotters Drove
Puzzle 20 of Cold Places Easy Pack
Question is: Colour of the Three-Wheeled Van the Trotters Drove
and the answer is: 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.