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