Natasha Denona Glam (321M) is a warm taupe with a sparkle finish that is permanent in palette and retails for $29.00. In comparison, Touch in Sol Aurora Taupe (7) is a warm taupe with a sparkle finish that is permanent and retails for $18.00.
Touch in Sol Aurora Taupe (7) is 90% similar — it is more shimmery, brighter, warmer.