Ash-Shu'araa • BN-TAFSEER-IBN-E-KASEER
﴿ وَنَزَعَ يَدَهُۥ فَإِذَا هِىَ بَيْضَآءُ لِلنَّٰظِرِينَ ﴾
“and he drew forth his hand - and lo! it appeared [shining] white to the beholders.”
Please check ayah 26:37 for complete tafsir.