Marc Jacobs Beauty Topaz Flash (90) is a warm taupe with a metallic finish that is permanent and retails for $26.00. In comparison, Natasha Denona Jude (394M) is a warm taupe with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Jude (394M) is 90% similar — it is more shimmery, lighter, warmer.