This Goddess is known in over a hundred names, Kalyani and Brahmastra Roopini becoming two of them. She's considered to be golden yellow in coloration and for this reason is also called Pitambari or Pitambara Maa. (Pita is yellow shade). Bagalamukhi is depicted as golden complexioned and wearing shiny https://youtu.be/AaJ2IkaqQUY