Becca Scarlet is a warm red with a cream finish that is discontinued and retails for $24.00. In comparison, Dior 999 Matte (999) is a neutral red with a semi-matte finish that is permanent and retails for $35.00.
Dior 999 Matte (999) is 85% similar — it is less shimmery, lighter, cooler, less glossy.