Because Gajendra, King of the elephants, had been touched directly by the hands of the Supreme Personality of Godhead, he was immediately freed of all material ignorance and bondage. Thus he received the salvation of sārūpya-mukti, in which he achieved the same bodily features as the Lord, being dressed in yellow garments and possessing four hands.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
गजेन्द्रो भगवत्स्पर्शाद्विमुक्तोऽज्ञानबन्धनात् । प्राप्तो भगवतो रूपं पीतवासाश्चतुर्भुजः
gajendro bhagavatsparśādvimukto'jñānabandhanāt | prāpto bhagavato rūpaṃ pītavāsāścaturbhujaḥ
SB 8.4.6