Shade & Seek · shade library

MAC Cosmetics C3.5 dupes & closest matches

MAC Cosmetics
Studio Fix Fluid — C3.5
depth 3/10 · warm undertone · peach cast · $39

MAC Cosmetics C3.5, a shade of Studio Fix Fluid SPF 15 24HR Buildable Soft-Matte Foundation + Oil Control, suits light skin with a warm, peach-leaning undertone. The peach 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 — C3.5

$46

C3.5 lands right at the same depth and carries the same peach cast. Expect a more dewy finish.

MAC Cosmetics

Studio Fix Powder Plus Foundation — C3.5

$39

Side by side, C3.5 matches the depth closely and carries the same peach cast. Expect a more matte finish.

HAUS LABS

Triclone™ Skin Tech Foundation — 160 Light

$52

160 Light lands right at the same depth and pulls a little cooler.

SEPHORA COLLECTION

Best Skin Ever Matte Powder Foundation — 20N Medium

$24

Side by side, 20N Medium runs a touch lighter and keeps the same warm undertone.

HAUS LABS

Triclone™ Skin Tech Foundation — 210 Light Medium

$52

Next to it, 210 Light Medium runs a touch deeper and carries the same peach cast.

SEPHORA COLLECTION

Best Skin Ever Matte Powder Foundation — 15N Light

$24

15N Light runs a touch lighter and holds the warm undertone.

HAUS LABS

Triclone™ Skin Tech Foundation — 200 Light Medium

$52

On skin, 200 Light Medium runs a touch deeper and pulls a little cooler.

HAUS LABS

Triclone™ Skin Tech Foundation — 250 Light Medium

$52

On skin, 250 Light Medium runs a touch deeper and pulls a little cooler.

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

Questions people ask

What is MAC Cosmetics C3.5's undertone?

MAC Cosmetics C3.5 has a warm undertone with a peach cast. When comparing alternatives, keeping that peach 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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