pale yellow vs wheat

pale yellow and wheat both are nouns.

Word	Noun	Adjective	Verb	Adverb
pale yellow	Yes	No	No	No
wheat	Yes	No	No	No

As nouns, pale yellow and wheat are synonyms defined as:

pale yellow and wheat: a variable yellow tint; dull yellow, often diluted with white

Other synonyms of pale yellow include straw.

pale yellow (noun)	wheat (noun)
a variable yellow tint; dull yellow, often diluted with white	a variable yellow tint; dull yellow, often diluted with white
	grains of common wheat; sometimes cooked whole or cracked as cereal; usually ground into flour
	annual or biennial grass having erect flower spikes and light brown grains