शुक्लाम्बरधरं विष्णुं शशिवर्णं चतुर्भुजम् ।
प्रसन्नवदनं ध्यायेत् सर्व विघ्नोपशान्तये ॥

Meaning:
I meditate on the glorious lord (Vinayaka) clad in sparkling white robes, omnipresent, bright white in hue, endowed with four arms and a benign smiling face to ward off all kinds of impediments.