Obsessive Compulsive Cosmetics Rhythm Box is a neutral fuchsia with a luminous finish that is permanent and retails for $18.00. In comparison, YSL Fuchsia Fugitive (109) is a warm fuchsia with a frost finish that is permanent and retails for $34.00.
YSL Fuchsia Fugitive (109) is 85% similar — it is more shimmery, lighter, more muted.