Ash Shu'ara, 33 Ayah
26:33
وَنَزَعَ يَدَهُۥ فَإِذَا هِيَ بَيۡضَآءُ لِلنَّٰظِرِينَ ٣٣
Wa Naza`a Yadahu Fa'idhā Hiya Bayđā'u Lilnnāžirīna
And he drew out his hand; thereupon it was white for the observers.