Studio Fix Fluid SPF 15 Foundation N4 dupes and alternatives MAC Cosmetics
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%).
Filters, 3 applied
Coverage
- Light0
- Medium0
- Full1
- Buildable0
Finish
- Matte1
- Natural0
- Radiant0
Preferences
Avoid an ingredient
- Dimethicone0
- Fragrance1
- Alcohol denat.1
- Talc0
- Silicones0
- Coconut oil1
SortSort byOverall match
1 of 31 matches
Only showing matches with full coverage, in gel form, with SPF.
- 7 matches have no formulation listed and are not shown.
- 27 matches have no SPF listed and are not shown.
Closest shade matchClosest overall alternative: CoverGirl Olay Simply Ageless Instant Wrinkle-Defying Foundation with SPF 28 Buff Beige
The equivalent shade and the most similar foundation overall.

N4Change shade
- Overall match
- 86out of 100
- Shade (Shade match)
- 92
- Finish (Finish & visual result)
- 100
- Wear (Wear & performance)
- 40
- Skin (Skin suitability)
- 76
- Shade match
- 92out of 100
- Colour
- 94
- Depth
- 98
- Undertone
- 85
Your shade $39 at Sephora
Where to buy Buff Beige
CoverGirl Olay Simply Ageless Instant Wrinkle-Defying Foundation with SPF 28
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 N4 (Light · Warm · peach undertone) in each concealer range, compared on measured colour, depth and undertone. Price never changes the order.
From the same range

N12
MAC Cosmetics Studio Fix 36HR Smooth Angles Hydrating Concealer, shade N12
- Looks identical
- Light · Neutral undertone
$30
Closest concealers
1N0
Laura Mercier Real Flawless Weightless Perfecting Serum Concealer, shade 1N0
- Very close colour
- Light · Neutral · neutral golden undertone
$34
Fair Warm
e.l.f. Cosmetics Hydrating Camo Concealer, shade Fair Warm
- Close colour
- Fair · Warm · yellow undertone
$8
Vanilla
NYX Professional Makeup Bare With Me Hydrating Face & Body Concealer Serum, shade Vanilla
- Very close colour
- Light
$12
Buff Beige
CoverGirl TruBlend Undercover Concealer, shade Buff Beige
- Looks identical
- Light · Neutral undertone
$12.99
Willow 2.3
Hourglass Vanish Airbrush Full Coverage Longwear Concealer, shade Willow 2.3
- Very close colour
- Light · Neutral undertone
$39
380 Pecan
L'Oréal Paris Infallible Full Wear Waterproof Concealer, shade 380 Pecan
- Very close colour
- Light
$15.99
Concealer shade colours are sampled from retailer swatch images, so check the shade on the retailer page before buying.
Why the closest match works
CoverGirl Olay Simply Ageless Instant Wrinkle-Defying Foundation with SPF 28 in Buff Beige, against MAC Cosmetics Studio Fix Fluid SPF 15 Foundation in N4. 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 CoverGirl Olay Simply Ageless Instant Wrinkle-Defying Foundation with SPF 28 in Buff Beige.
Same or better
- $23.87 less
- Very close colour
- Similar undertone (neutral vs warm)
- Same matte finish
- Same full coverage
- SPF 28 instead of SPF 15
Different
- No long-wear claim
- Does not claim transfer resistance
- Does not claim not settling into lines
- Does not claim colour stability
- Does not claim a lightweight feel
Ingredients (information only, not scored)
4 shared ingredients; weighted similarity 6%. Ingredients only affect results through the filters.
Where to buy Buff Beige
Your shade $39 at Sephora
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.