Choosing a new hair colour can completely change how your overall appearance looks. A shade that makes one person look fresh and radiant may appear dull, harsh or disconnected on someone else. One of the most useful places to start is your skin's undertone.
Understanding whether your undertone is warm, cool or neutral can help you narrow down the large number of hair colour choices available. Warm undertones often harmonise with golden, honey, caramel and copper-based shades, while cool undertones can work beautifully with ash, beige, cool brown and other cooler colours. However, your natural hair colour, eye colour, depth, contrast and personal colour season also matter.
In this guide, we explore the best hair colours for warm and cool skin tones, what shades you may want to approach carefully, and how personal colour analysis can help you make a more personalised choice.
Your skin tone describes the overall depth or appearance of your complexion, while your undertone refers to the underlying warm, cool or neutral quality of your skin.
Two people can have a similar skin depth but completely different undertones. This is why choosing hair colour based only on whether your skin is fair, medium or deep may not give you the most useful answer.
Because hair frames your face, its colour can strongly influence how your complexion appears. A well-matched shade can create a balanced look, while a strongly contrasting undertone may make the complexion appear less harmonious.
Warm undertones often have hints of golden, peach, yellow or warm olive colouring. People with warm undertones may find that gold jewellery, cream clothing and warm shades appear particularly harmonious.
When choosing hair colour, look for shades containing words such as:
Cool undertones can have pink, rosy, red or bluish qualities. Silver jewellery, crisp white and cooler colour families may appear particularly balanced against this type of complexion.
Hair colour descriptions that may indicate a cooler direction include:
If you have a warm undertone, hair colours with some warmth can create a more cohesive appearance around the face. That does not mean you have to choose an extremely bright or obviously warm shade. Subtle warmth can work just as effectively.
Warm chocolate brown is a versatile choice for someone who wants a natural-looking change without moving too far from brunette hair. Look for brown shades with subtle golden or warm richness rather than strongly ashy pigments.
Caramel can be especially useful for highlights, balayage or dimensional colour. It adds warmth and brightness without necessarily requiring the entire head of hair to become much lighter.
Honey blonde contains a warm golden quality that can complement warm undertones. It can be used as an overall colour or incorporated through highlights for a softer change.
Copper is one of the clearest warm hair colour families. Depending on your personal colour season and natural contrast, you may suit anything from a subtle copper-brown to a more noticeable copper shade.
Auburn combines brown and red qualities. A warmer auburn can be particularly appealing for warm undertones, especially when its depth is balanced with your natural colouring.
Chestnut can offer a natural middle ground between brown and warmer tones. A golden chestnut or warm chestnut can be a good option when you want visible dimension without a dramatic colour transformation.
If your undertone is clearly warm, extremely cool hair colours may sometimes create a stronger contrast than you expect. This does not mean you can never wear them, but the exact shade and overall colour balance become more important.
If you love a cooler shade, a professional colourist can help adjust the tone, depth or placement so that the final result works more comfortably with your overall colouring.
Cool undertones generally pair well with hair colours that have ash, neutral, beige, blue or cool red qualities. The best option will still depend on your depth and personal colour season.
Ash brown can be an excellent choice for cool undertones when you want a sophisticated brunette shade without excessive golden warmth. It can range from light ash brown to deeper brunette shades.
A cool dark brown or espresso shade can create depth while maintaining a cooler overall appearance. It can be especially effective when you want something softer than blue-black.
Cool beige blonde can provide a softer alternative to very icy blonde shades. It combines lightness with a more balanced, understated quality.
Ash blonde can suit people whose overall colouring supports lighter, cooler shades. Depending on your seasonal palette, you may suit a soft ash blonde or a deeper cool blonde direction.
Not every red has to be warm. Burgundy and wine-inspired shades can have cooler red or violet qualities, making them an interesting option for some cool-toned individuals who want something more expressive.
Cool black can create a striking appearance, particularly for people whose natural colouring has strong depth and contrast. However, very dark hair can create a dramatic effect, so your overall contrast level is worth considering.
If you have a cool undertone, strongly warm shades may sometimes compete with the natural colouring of your complexion. Shades with significant golden, orange or copper warmth should therefore be considered carefully.
Again, there are no absolute rules. The amount of warmth, the depth of the colour and how the colour is placed around your face can all change the final effect.
If you have a neutral undertone, you may find that both warm and cool hair colours can work well. This can give you greater flexibility when choosing between golden brown, neutral brunette, cool brown, beige blonde or other shades.
However, neutral undertone does not automatically mean that every hair colour will look equally flattering. Your natural hair depth, eye colour, contrast level and personal colour season can still influence which shades look most harmonious.
If you are unsure whether you are warm or cool, you can start with a few simple comparisons in natural daylight.
Hold gold and silver jewellery near your face in natural light. If one metal appears more harmonious with your complexion, it may provide a clue about your undertone. If both work equally well, you may have a neutral undertone.
Place a clean white fabric and a cream or ivory fabric near your face. Notice which one makes your complexion appear more balanced. White may emphasise cooler colouring, while cream can harmonise more naturally with warmer colouring.
Vein colour can provide another clue. Blue or purple-looking veins may suggest a cooler undertone, while greener-looking veins may suggest a warmer undertone. If you see a mixture, your undertone may be neutral or more difficult to identify through this test alone.
Try placing warm and cool-coloured clothing near your face. Instead of focusing on whether you simply like the colour, look at whether your complexion appears balanced, clear and harmonious beside it.
Undertone is an important starting point, but it should not be treated as the only factor.
For example, two people with warm undertones may both suit warm hair colours but require completely different depths. One person may look best in a soft golden brown, while another may have the contrast and depth to carry a rich auburn or deep warm brunette.
Consider these factors as well:
Personal colour analysis can take hair colour selection further than simply asking whether your skin is warm or cool.
For example, people within warm seasonal families may differ in their ideal depth and intensity. Someone with a lighter, brighter colouring may suit lighter golden or honey shades, while someone with deeper colouring may look more balanced in rich chocolate, auburn or deeper warm brown.
Similarly, cool seasonal palettes can range from softer, lighter ash shades to deep, high-contrast brunette and black directions.
This is why knowing your seasonal colour palette can be useful when you are considering a significant hair colour change.
You do not have to completely avoid a colour simply because it sits outside your usual undertone direction.
If you love a particular shade, consider adjusting its temperature, depth or placement. For example, instead of choosing an extremely warm or cool overall colour, you may be able to use a more neutral version or place the stronger colour further away from the face.
Highlights, lowlights and balayage can also create a more blended result. The goal is not necessarily to follow a rigid list of rules, but to understand how colour interacts with your natural colouring.
A celebrity photograph or social media image can be useful inspiration, but the same shade may look different against your own skin, eyes and natural hair.
Fair, medium and deep skin can all have warm, cool or neutral undertones. Skin depth alone cannot tell you which hair colour direction is best.
A colour chart shows an intended shade, but your starting hair colour can influence the final result. Previous colour treatments can also affect how the new colour develops.
A dramatic colour change may require more upkeep than a subtle adjustment. Consider how often you are comfortable refreshing your colour before making your decision.
Hair colour is more nuanced than two categories. Neutral, muted, bright, light and deep variations can all make a difference. This is where seasonal colour analysis can provide more personalised direction.
Warm skin tones often work well with golden brown, warm chocolate, caramel, honey, copper, auburn and warm chestnut shades. The ideal depth and intensity depend on your overall colouring and personal colour season.
Cool skin tones often suit ash brown, cool brunette, cool beige blonde, ash blonde, espresso, cool black and some cool red or burgundy shades.
Not necessarily. Ash shades can be worn in different ways, but very cool or strongly ashy colours may create more contrast with a warm undertone. A more balanced or neutral version may be easier to harmonise.
Copper is generally a warm hair colour, so it may create a stronger contrast against cool undertones. If you love red hair, a cooler red or burgundy direction may provide an alternative.
Yes. Neutral undertones often have greater flexibility between warm and cool shades. However, depth, contrast, natural hair colour and seasonal colouring still influence which specific shades are most flattering.
Yes. Personal colour analysis can help identify your colour direction, including temperature, depth, softness and brightness. This can give you a more personalised starting point when discussing hair colour options with your stylist.
The best hair colour is not simply the trendiest shade or the one that looks beautiful in a salon photograph. It is a colour that works with your individual features and the image you want to create.
Start by understanding whether your undertone is warm, cool or neutral. Then consider your natural hair depth, eye colour, contrast and seasonal colour palette. These details can help you move from a general recommendation such as “warm brown” or “cool blonde” to a more personalised hair colour direction.
If you want more confidence before making a hair colour change, Colors by Shiv provides personal colour analysis in Lower Hutt, Wellington, as well as online personal colour analysis. A personalised colour assessment can help you understand the shades that complement your overall colouring and make future clothing, makeup, jewellery and hair colour choices easier.
Instead of choosing a hair colour based only on a trend, use your own colouring as the starting point. The right colour direction can make your wardrobe and beauty choices feel more coordinated, intentional and personal.