Sydney Grace Dark Roast is a cool brown with a satin finish that is discontinued and retails for $5.25. In comparison, LORAC Mahogany (Mega Pro 4) is a warm burgundy with a matte finish that is limited edition and retails for $19.00.
LORAC Mahogany (Mega Pro 4) is 80% similar — it is less shimmery, lighter, warmer.