Darlene Mitrevics founded Cosmic Colourings as a practice combining astrology with colour theory and interior design. Her professional background spans more than four decades of astrological study alongside work in visual design and client service. The Cosmic Colourings method draws on the natal chart as a practical guide for colour palette and spatial decisions, producing individualized design concepts that reflect a client's astrological makeup. She has written on the intersection of astrology and interior design, including the LinkedIn article Astrology For Interior Design.