﴿ وَنَزَعَ يَدَهُۥ فَإِذَا هِىَ بَيْضَآءُ لِلنَّٰظِرِينَ ﴾

“and he drew forth his hand, and lo! it appeared [shining] white to the beholders.”

(And he drew forth his hand) from his armpit: (and lo! it was white) shining (for the beholders) who looked at it.