What hair color is best for cool undertones?

Shades with an ash, blue or violet base: platinum, pearl and ash blonde, mushroom brown, jet or blue-black, burgundy and black cherry, and silver. Pick the depth by your skin: very light skin carries icy blondes, deeper skin shines in blue-black, espresso and wine reds.

Is ash blonde a cool tone?

Yes. Ash blonde has a gray-green or blue base that cancels yellow, which is what makes it read cool. It is one of the most flattering blondes on pink or rosy skin, and one of the fastest to turn brassy, so plan on a purple shampoo and a toner refresh.

Is black a cool hair color?

Jet black and blue-black are cool; soft black and brown-black sit in the middle. If jet black looks harsh on you, soft black keeps the depth with less contrast.

Can cool skin tones wear warm hair colors?

Yes — the undertone rule is a starting point, not a law. A cool-toned person can wear a warm shade if it is balanced (a beige or neutral blonde rather than a gold one), or if they like the contrast. Trying both on a photo side by side is the quickest way to see which one lights your face up.

What hair colors should cool skin tones avoid?

Very golden, orange or brassy shades tend to make cool skin look ruddy or sallow: yellow-gold blonde, bright copper and orange-red. If you love red, go for burgundy or cherry instead.

How do I stop cool-toned hair turning brassy?

Wash with a purple shampoo (for blondes) or a blue shampoo (for brunettes) once or twice a week, use lukewarm water, protect it from heat and sun, and book a toner refresh every 4–8 weeks.

Hair color

Cool Tone Hair Colors: Best Shades for Cool Skin

The best cool tone hair colors for cool skin tones — ash and platinum blondes, mushroom brown, blue-black, burgundy, silver — plus how to check your undertone.

HairColorChangeAI editorsSep 28, 2026 · 6 min read

Cool tone hair colors are the shades that lean ash, blue or violet rather than golden or red. On the right person they look clean and bright; on the wrong one they can wash the face out. This guide explains what makes a shade cool, how to tell if your undertone is cool, and which cool shades work at every skin depth — with a photo of each one.

What counts as a cool toned hair color?

Colorists describe hair with two numbers: the level (how light or dark, from 1 black to 10 lightest blonde) and the tone (the color you see inside that depth). Cool toned hair colors have tones that are ash (green-blue), blue or violet. That is why they look smoky, silvery or icy rather than sunny.

Platinum blondeLevel 10, violet base

Ash blondeLevel 8, ash base

Mushroom brownLevel 6, ash-beige

Blue-blackLevel 1, blue sheen

BurgundyLevel 3, violet-red

Silver grayPigment-free, blue base

The opposite family, warm tones, are gold, copper and red — honey blonde, caramel, auburn. Neutral shades such as soft black or champagne blonde sit in between and suit almost anyone. If you are still deciding between the two families, our guide to warm tone hair colors covers the other half.

How to tell if you have cool undertones

Your undertone is the color under the surface of your skin, and it does not change with a tan. It is a separate thing from how light or deep your skin is: fair, medium and deep skin can all be cool. These quick checks point the same way for most people:

White paper test. Hold a sheet of white paper under your chin in daylight. Skin that looks pink, rosy or slightly blue beside it is cool; yellow, peachy or golden is warm; hard to call means neutral.
Jewelry test. If silver and platinum flatter you more than gold, you probably have cool undertones.
Vein test. Veins on the inner wrist that look blue or purple point to cool; green points to warm. It is the least reliable check on deeper skin, so don't use it alone.
Clothes test. Cool undertones usually glow in true white, charcoal, navy, emerald and jewel tones, and look tired in orange and mustard.

Best hair colors for cool skin tones

Every cool shade below is shown on a face. Pick the family first, then the depth that sits closest to your natural color — two or three levels away is easy to live with, more than that means more maintenance.

Cool blondes

Platinum, icy white and pearl are the lightest cool blondes and the most striking against pink or porcelain skin. Ash blonde is softer and grows out more gently. All of them need your hair lifted to a very pale yellow first and then toned, so they are the most work on dark hair.

For more blonde options, including warmer golds to compare against, see the blonde hair filter and the platinum blonde filter.

Cool browns

Mushroom brown is the brunette version of ash blonde: a light-to-medium brown with a gray-beige cast and almost no red. It is the go-to cool tone light brown for anyone who finds their natural brown turns orange in the sun. Deeper, ash-leaning espresso browns suit cool undertones with darker hair.

Cool blacks

Jet black and blue-black are the coolest dark shades. Blue-black has a visible blue shine in the light and is especially vivid on olive and deep skin with cool undertones. Very fair, cool skin can wear jet black for drama, but it shows every root and is hard to lighten later.

Cool reds

Red is not off the table for cool skin — it just has to lean blue-violet rather than orange. Burgundy, black cherry and a true cherry red all flatter pink undertones and deep cool skin.

Silver and gray

Silver, steel and charcoal gray are cool by definition. They are a popular way to blend natural gray, and they flatter cool undertones at any age.

Grace's natural bob with gray coming in, blended into an all-over silver gray.

Cool fashion colors

Most pastel and jewel fashion shades are cool: lavender, pastel pink, periwinkle and denim blue. They wash out fastest of all, often within 4–6 weeks.

Cool tone hair color chart by skin depth

Undertone tells you the family; your skin's depth tells you how light or dark to go. Use this as a starting point:

Skin depth	Blonde	Brown	Black	Red and fashion
Fair, pink or porcelain	Platinum, pearl, icy white	Mushroom brown, ash light brown	Soft black (jet black for drama)	Pastel pink, lavender
Light to medium	Ash blonde, mushroom blonde	Mushroom brown, cool espresso	Soft black, jet black	Burgundy, cherry red
Olive, cool	Ash dark blonde	Cool espresso, ash dark brown	Jet black, blue-black	Burgundy, plum
Deep, cool	Icy white or platinum as contrast	Espresso	Blue-black, jet black	Black cherry, burgundy, navy

A guide, not a rule — contrast and personal taste matter as much as undertone.

Keeping cool tone hair dye from going brassy

Lightening hair exposes its natural warm pigments — red, orange and yellow — and every wash strips a little of the toner that hides them. That is why cool tone hair dye drifts warmer over time. To slow it down:

Use a toning shampoo. Purple shampoo cancels yellow in blondes and grays; blue shampoo cancels orange in brunettes. Once or twice a week is enough — more can leave a tint.
Wash less and cooler. Hot water opens the cuticle and lets color out faster.
Protect from heat and sun. A heat protectant and a hat or UV spray slow fading.
Refresh the toner. Salon toners usually last 4–8 weeks. A gloss between color appointments keeps the tone where you want it.
Mind the water. Hard water and chlorine deposit minerals that turn blondes yellow or green; a filter shower head or clarifying wash helps.

Try cool hair colors on your own photo

Charts and tests only get you so far — the real question is how a shade looks on your face, with your eyes and your skin. Upload a selfie to our hair color changer and switch between ash blonde, mushroom brown, blue-black and burgundy in a few seconds, or let the what hair color suits me quiz pick shades for your undertone. If gray is your plan, the gray hair filter shows silver, steel and salt-and-pepper side by side.