grey-white vs gray-white

grey-white and gray-white both are adjectives.

Word	Noun	Adjective	Verb	Adverb
grey-white	No	Yes	No	No
gray-white	No	Yes	No	No

As adjectives, grey-white and gray-white are synonyms defined as:

Other synonyms of grey-white include grayish-white, greyish-white.

grey-white (adjective)	gray-white (adjective)
of white tinged with grey	of white tinged with grey