egg yolk

yellow badge

to laugh in a forced way, to give a hollow laugh, to laugh grudgingly

a hollow laugh, a sour laughter

(derogatory) yellow peril

Used other than figuratively or idiomatically: see gilet, jaune. / a yellow high-visibility safety vest / a motorway patroller, who wears such a vest / a member of a French protest movement which started in late 2018 against rising fuel prices; members of the movement wore such vests

citron, lemon (of a greenish yellow colour)

straw (of a pale, yellowish beige colour, like that of a dried straw)

(medicine, historical) yellow bile

American goldfinch (Spinus tristis)