The Tantrasara describes her iconography: Bagalamukhi sits in the golden throne from the midst of an ocean within an altar. Her complexion is yellow (golden). Clad in yellow outfits, she's adorned by a garland of yellow flowers and decked with yellow (golden) ornaments. Baglamukhi is usually depicted as golden https://www.youtube.com/watch?v=IOlRdolK0uM&t=2s