Studio Fix Fluid SPF 15 Foundation NW18 dupes and alternatives MAC Cosmetics
Medium light · Warm · peach undertone
Closest shade match is the equivalent shade, scored on colour, depth and undertone only. Closest overall alternative is the most similar foundation overall, scored on shade match (55%), finish and visual result (25%), wear and performance (15%) and skin suitability (5%).
Only showing matches with medium coverage, without silicones or dimethicone.
- 6 matches have no ingredient list listed and are not shown.
Closest shade matchClosest overall alternative: SUBTL. Beauty Stackable BB Powder Foundation Single Light 2W
The equivalent shade and the most similar foundation overall.

NW18Change shade
- Overall match
- 79out of 100
- Shade (Shade match)
- 95
- Finish (Finish & visual result)
- 62
- Wear (Wear & performance)
- 61
- Skin (Skin suitability)
- 50
- Shade match
- 95out of 100
- Colour
- 93
- Depth
- 95
- Undertone
- 100
Your shade $39 at Sephora · product price; shade not separately priced
Where to buy Light 2W
SUBTL. Beauty Stackable BB Powder Foundation Single
Every store that sells this shade · prices as last checked
Looking for a concealer in your shade?
The closest shade to MAC Cosmetics Studio Fix Fluid SPF 15 Foundation NW18 (Medium light · Warm · peach undertone) in each concealer range, compared on measured colour, depth and undertone. Price never changes the order.
From the same range

NW18
MAC Cosmetics Studio Fix 36HR Smooth Angles Hydrating Concealer, shade NW18
- Looks identical
- Medium light · Warm · peach undertone
$30
Closest concealers
3W1
Laura Mercier Real Flawless Weightless Perfecting Serum Concealer, shade 3W1
- Looks identical
- Medium light · Warm undertone
$34
Medium Golden
NYX Professional Makeup Bare With Me Hydrating Face & Body Concealer Serum, shade Medium Golden
- Very close colour
- Medium · Warm · golden undertone
$12
Fawn 4.5
Hourglass Vanish Airbrush Full Coverage Longwear Concealer, shade Fawn 4.5
- Very close colour
- Medium light · Warm · golden undertone
$39
10W
Milk Makeup Future Fluid Longwear Hydrating Concealer, shade 10W
- Very close colour
- Medium light · Warm undertone
$30

5.75
Armani Beauty Luminous Silk Hydrating Face and Under-Eye Concealer, shade 5.75
- Close colour
- Medium light · Warm · golden undertone
$42
040 Caramel
Concealer shade colours are sampled from retailer swatch images, so check the shade on the retailer page before buying.
Why the closest match works
SUBTL. Beauty Stackable BB Powder Foundation Single in Light 2W, against MAC Cosmetics Studio Fix Fluid SPF 15 Foundation in NW18. Every attribute compared, with its share of the score.
Weights are each part's share of the overall match and each attribute's share of its part; an attribute neither product lists is not comparable and its weight goes to the others in its part. Confidence reflects data quality, not similarity. Price and ingredients are not part of either score.
If you switch
To SUBTL. Beauty Stackable BB Powder Foundation Single in Light 2W.
Same or better
- $15 less
- Very close colour
- Same warm undertone
- Medium rather than full coverage
- Claims a blurring effect
- Both claim not settling into lines
- Both claim a lightweight feel
Different
- Natural finish instead of matte
- No long-wear claim
- Does not claim transfer resistance
- Does not claim colour stability
- No SPF
Ingredients (information only, not scored)
5 shared ingredients; weighted similarity 3%. Ingredients only affect results through the filters.
Where to buy Light 2W
Your shade $39 at Sephora · product price; shade not separately priced
How these matches are scored
31 similar shades scored two ways: the shade match on colour, depth and undertone; the overall match on shade match, finish and visual result, wear and performance and skin suitability. Ingredients are shown for information and used by the filters only. Prices are shown next to every match and never change a score. How scoring and confidence work.
Shade colours are sampled from Beautler’s processing of retailer swatch images and are a digital approximation. Prices and stock were last checked when the product was imported; the retailer page is the source of truth.