Formula X Infamous is a very cool-toned, duochrome with a very dark gray base and shift between teal, purple paired with a metallic finish. It is a permanent nail lacquer that retails for $14.00 and contains 0.4 oz.
Formula X Infamous Nail Lacquer ($12.50 for 0.40 fl. oz.) is described as a "teal and purple metallic." It's a steely gray that leans slightly teal along the edges and shifts to a muted violet. It has more of a metallic shimmer running through it. MAC Submerged (LE, $16.00) is much bluer. KBShimmer Rollin’ with the Chromies (LE, $8.75) is more shimmery. Color Club Portfolio (P) is purpler. Deborah Lippmann Wicked Game (LE, $19.00) is much lighter. See comparison swatches / view dupes.