Studio Fix Fluid — C40
$39Next to it, C40 lands right at the same depth and carries the same olive cast. Expect a more natural finish.
MAC Cosmetics C40, a shade of Studio Fix Powder Plus Foundation with 24HR Oil Control + Blur-Matte Finish, suits light skin with a warm, olive-leaning undertone. The olive cast is what people usually try to keep when they look for alternatives. Below are the alternatives that wear closest to it — each one noted with how it differs, so you know what you're trading before you buy.
Next to it, C40 lands right at the same depth and carries the same olive cast. Expect a more natural finish.
Side by side, NC20 sits at the same depth and stays warm but pulls more golden than olive. Expect a more dewy finish.
Side by side, 30.5Y Tan runs a touch deeper and keeps the same warm undertone.
36Y Tan runs a touch deeper and keeps the same warm undertone.
Next to it, Tan runs a touch deeper and holds the warm undertone. Expect a more dewy finish.
4W1 Tawny leans noticeably deeper and carries the same olive cast. Expect a more dewy finish.
5N2 Amber Honey leans noticeably deeper and stays warm but pulls more golden than olive. Expect a more dewy finish.
46S Tan-Deep Sand leans noticeably deeper and stays warm but pulls more golden than olive.
MAC Cosmetics C40 has a warm undertone with a olive cast. When comparing alternatives, keeping that olive quality matters as much as getting the depth right.
Tarte Cosmetics Amazonian clay 16-hour full coverage soft matte foundation in 46S Tan-Deep Sand (around $18) wears closest among budget options — 46S Tan-Deep Sand leans noticeably deeper and stays warm but pulls more golden than olive.
A shade never wears alone — it sits next to your concealer, blush and the rest of your routine. Toni at Shade & Seek reads the whole face, not just one swatch, so you can see any of these alternatives in context before buying.