Cushion Foundation Shades Explained: How to Pick Your Match

Quick Answer

Choose your cushion shade by matching two things: depth (how light or dark) and undertone (cool, neutral, or warm). Korean cushions usually encode depth in the number and undertone in the letter, so a shade like 23C1 means depth 23, cool undertone. When in doubt between two depths, go lighter for a brightening look or darker if you want to avoid a visible line at the jaw.

How to Read Korean Cushion Shade Numbers

Most K-beauty cushions use a two-part code: a number for depth and a letter for undertone. The number is not a universal scale, but in many lines 13 is fairest, 21 is light, 23 is medium, and 25 and up move into deeper medium and tan. The letter often follows the depth, for example 21C for cool, 21N for neutral, and 21W for warm. Some brands add a final digit for fine-tuning within that family, which is why you see codes like 23C1.

The practical takeaway is to ignore the marketing name and read the code. If you already know your depth from one brand, you can usually start one step lighter or darker in another, then adjust for undertone. Cushions are also more forgiving than liquid foundation because you can build coverage in thin layers, so a shade that looks slightly off in the pan can still blend well on skin.

• Number = depth: 13 fairest, 21 light, 23 medium, 25+ deeper
• Letter = undertone: C cool, N neutral, W warm
• Extra digit = fine-tuning within that depth and undertone

Match Undertone Before You Match Depth

Undertone is the part most people get wrong. A cool undertone looks pink, red, or bluish; a warm undertone looks yellow, peachy, or golden; a neutral undertone sits between and can wear either. If your cushion is the right depth but the wrong undertone, your face will look gray, ashy, or overly pink against your neck. That mismatch is more obvious in photos than in the mirror, so check in daylight before deciding.

One reliable test: look at the veins on your inner wrist. Blue or purple leans cool, green leans warm, and a mix leans neutral. You can also compare a cool and a warm shade of the same depth side by side on your jaw. The one that disappears into your neck is your undertone. If you are truly neutral, a neutral shade is the safest starting point because it will not pull too pink or too yellow.

• Cool undertone: pink, red, or bluish cast, blue or purple wrist veins
• Warm undertone: yellow, peach, or golden cast, green wrist veins
• Neutral undertone: balanced, mixed wrist veins, can wear either

Finish Changes How a Shade Reads on Skin

Matte and glow cushions in the same shade number can look different once applied. A matte finish absorbs light and can make a shade appear slightly deeper or more opaque, while a glow finish reflects light and can make the same depth look a touch lighter and more sheer. This matters if you are between two shades: the matte version may be the safer choice for oily skin, while the glow version may be more forgiving on dry skin.

Finish also affects how long the shade stays true. Matte cushions with oil control tend to hold their color better through a long day, while hydrating glow cushions can shift slightly as your natural oils come through. If you plan to wear the cushion for eight hours or more, test the finish, not just the shade, before committing.

• Matte: can look slightly deeper, better for oil control and long wear
• Glow: can look slightly lighter and more sheer, better for dry skin
• Always test the exact finish you plan to buy

Where to Test and How to Adjust

Test on your jawline, not your hand. The back of your hand is often a different depth and undertone from your face, so a hand swatch can send you toward the wrong shade. Apply a thin layer along the jaw and blend down toward the neck, then check in natural daylight. If you see a line, the shade is either too light or too dark. If you see a gray or pink cast, the undertone is off.

If you are between two depths, use this rule: go lighter if you want a brightening, Korean-style finish and your skin is not prone to redness; go darker if you want a seamless match and you are tired of a visible jaw line. You can also mix two shades, or use a lighter shade in the center of the face and a darker one around the perimeter. Cushions make this easy because the puff lets you apply thin, controlled layers.

• Test on the jawline in daylight, not on the hand
• Between depths: lighter for brightening, darker for seamless match
• Mix two shades or use a lighter center and darker perimeter

Decision Rules for Picking Your Cushion Shade

• If your neck and face are different depths: Match your neck, not your face. A shade that matches your face but not your neck creates a visible line. Test along the jaw and blend downward. Your neck is the reference point.
• If you are between two depths: Go lighter for a brightening finish if your skin is not prone to redness. Go darker for a seamless, natural match if you dislike a visible jaw line. Choose based on the look you want, not just the number.
• If your undertone is unclear: Start with a neutral shade in your depth. Neutral is the safest middle ground and will not pull too pink or too yellow. Neutral first, then adjust.
• If you have oily skin: Choose a matte cushion with oil control, and expect the shade to read slightly deeper. If you are between shades, the lighter one may be the better call. Matte finish plus oil control holds color longer.
• If you have dry skin: Choose a hydrating glow cushion and expect the shade to read slightly lighter and more sheer. Hydration helps the cushion blend into skin instead of sitting on top. Glow finish is more forgiving on dry skin.

How These Cushions Fit the Shade Rules

• LANEIGE Neo Cushion Matte SPF 42 PA++ - 3 colors (Bao Family Edition): LANEIGE Neo Cushion Matte SPF 42 PA++ is an oil control cushion foundation for oily skin with long-lasting matte coverage, sebum control, and a pore-blurring, lightweight finish, available in 3 colors. If you have oily skin and want a matte finish, start with this one and choose your depth and undertone from its 3 colors. The matte finish can read slightly deeper, so if you are between shades, the lighter option may be safer.
• LANEIGE Neo Cushion Glow SPF 46 PA++ - 3 colors (Bao Family Edition): LANEIGE Neo Cushion Glow SPF 46 PA++ is a hydrating cushion foundation for glowing skin with luminous coverage, deep hydration, and a natural radiant finish, available in 3 colors. For dry or normal skin, the glow finish is more forgiving and can make a shade look slightly lighter. Use the same depth and undertone logic, but expect a more sheer, radiant result.
• HERA Black Cushion SPF 34 / PA++: HERA Black Cushion SPF 34 / PA++ is a luxury matte cushion for flawless, pore-smooth skin, size 15g x 2, designed for smooth, refined, long-lasting matte skin without heaviness or dryness. This is a higher-coverage matte option with a refill included. If you want a polished, long-wear finish and your undertone is neutral or cool, this line is worth testing in your depth.
• HERA Black Cushion SPF 34 / PA++ 23C1: HERA Black Cushion SPF 34 / PA++ 23C1 is the same luxury matte cushion in a specific shade code, size 15g x 2. The 23C1 code tells you this is depth 23 with a cool undertone and a fine-tuning digit. If you already know you are a cool medium, this is a direct starting point rather than guessing from a name.

Who This Shade Guide Is For

Best for

• Anyone buying their first Korean cushion and unsure what the shade numbers mean
• Shoppers who know their depth but keep getting the wrong undertone
• People deciding between a matte and glow cushion in the same shade range

Not for

• Shoppers who already have a perfect shade match and only want a refill
• Anyone looking for a full-coverage liquid foundation rather than a cushion
• People who want a single universal shade recommendation without testing undertone