Studio Fix Fluid SPF 15 Foundation C45 dupes and alternatives MAC Cosmetics
Medium · Olive 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, 2 applied
Coverage
- Medium0
- Full1
- Buildable0
Finish
- Matte1
- Natural matte0
- Natural0
- Radiant0
Preferences
Avoid an ingredient
- Dimethicone0
- Fragrance0
- Alcohol denat.0
- Talc1
- Silicones0
- Coconut oil1
SortSort byOverall match
1 of 31 matches
Only showing matches made for combination skin, in cushion form.
- 9 matches have no formulation listed and are not shown.
- 1 match has no skin type listed and is not shown.
Closest shade matchClosest overall alternative: TIRTIR Mask Fit AI Filter Cushion 30N RICH HONEY
The equivalent shade and the most similar foundation overall.

C45Change shade
- Overall match
- 81out of 100
- Shade (Shade match)
- 85
- Finish (Finish & visual result)
- 79
- Wear (Wear & performance)
- 70
- Skin (Skin suitability)
- 76
- Shade match
- 85out of 100
- Colour
- 89
- Depth
- 94
- Undertone
- 70
Your shade $39 at Sephora · product price; shade not separately priced
Where to buy 30N RICH HONEY
TIRTIR Mask Fit AI Filter Cushion
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 C45 (Medium · Olive undertone) in each concealer range, compared on measured colour, depth and undertone. Price never changes the order.
From the same range
NC37
MAC Cosmetics Studio Fix 36HR Smooth Angles Hydrating Concealer, shade NC37
- Close colour
- Medium light · Neutral · neutral golden undertone
$30
Closest concealers
12O
Milk Makeup Future Fluid Longwear Hydrating Concealer, shade 12O
- Looks identical
- Medium · Olive undertone
$30

360W
Rare Beauty Liquid Touch Brightening Concealer, shade 360W
- Looks identical
- Medium light · Olive · warm olive undertone
$24

2N35
Make Up For Ever HD Skin Full Cover Multi-Use Waterproof Concealer, shade 2N35
- Looks identical
- Medium · Neutral · neutral golden undertone
$35

Tone 6.5 O
Kosas Revealer Super Creamy + Brightening Concealer, shade Tone 6.5 O
- Close colour
- Medium light · Olive · neutral olive undertone
$32

Medium Tan 2
Glossier Stretch Concealer for Dewy Buildable Coverage, shade Medium Tan 2
- Very close colour
- Medium · Neutral undertone
$22
Khaki 6.25
Hourglass Vanish Airbrush Full Coverage Longwear Concealer, shade Khaki 6.25
- Very close colour
- Medium light · Warm · peach undertone
$39
Concealer shade colours are sampled from retailer swatch images, so check the shade on the retailer page before buying.
Why the closest match works
TIRTIR Mask Fit AI Filter Cushion in 30N RICH HONEY, against MAC Cosmetics Studio Fix Fluid SPF 15 Foundation in C45. 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 TIRTIR Mask Fit AI Filter Cushion in 30N RICH HONEY.
Same or better
- $14 less
- Very close colour
- Same matte finish
- Same full coverage
- Claims a skin-like finish
- Claims a blurring effect
- Both claim transfer resistance
- Both claim a lightweight feel
Different
- Neutral rather than olive undertone
- Does not claim not settling into lines
- Does not claim colour stability
- Fragrance is listed in the formula
- Contains alcohol denat.
- No SPF
Ingredients (information only, not scored)
14 shared ingredients; weighted similarity 22%. Ingredients only affect results through the filters.
Where to buy 30N RICH HONEY
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.