Card Shown by Referee When Booking a Soccer Player

This page is the CodyCross answer for the clue below from Wild West, Group 429, Puzzle 1 (Flannel Mouth).

Question is: Card Shown by Referee When Booking a Soccer Player

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.

Card shown by referee when booking a soccer player — CodyCross Answer | CodyCross Solutions