Shade & Seek · shade library

MAC Cosmetics C4.5 dupes & closest matches

MAC Cosmetics
Studio Fix Fluid — C4.5
depth 4/10 · warm undertone · neutral cast · $39

MAC Cosmetics C4.5, a shade of Studio Fix Fluid SPF 15 24HR Buildable Soft-Matte Foundation + Oil Control, suits light-medium skin with a warm, neutral-leaning undertone. The neutral 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.

The closest matches

MAC Cosmetics

Studio Radiance Serum Powered Foundation — C4.5

$46

C4.5 sits at the same depth and stays warm but pulls more peach than neutral. Expect a more dewy finish.

MAC Cosmetics

Studio Fix Powder Plus Foundation — C4.5

$39

Next to it, C4.5 lands right at the same depth and stays warm but pulls more peach than neutral. Expect a more matte finish.

See these against your whole routine Toni reads the face, not just the shade

Questions people ask

What is MAC Cosmetics C4.5's undertone?

MAC Cosmetics C4.5 has a warm undertone with a neutral cast. When comparing alternatives, keeping that neutral quality matters as much as getting the depth right.

How do I know which of these will actually work for me?

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.

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