18 Halloween Hair Colour Ideas for Spooky Season and Beyond

Stuck for Halloween hair colour ideas? Get the low-down on the hottest hues to try this year.

Are you looking for a dose of spooky hair inspiration for Halloween? Then set your sights on our edit of the most haunting Halloween hair colour ideas to try this year.

We have something for everyone, from bold shades to pretty pastel hues, so no matter who or what you are going as this Halloween, Trick or Treat yourself to one of these eye-catching styles this scare season.

Poison Ivy Red Hair

back view of bold red hue in double dutch braids
This bold red hue will ensure you turn heads this Halloween. Credit: Instagram.com/paigehammy

Whether you are a natural redhead or thinking of channelling the look for Halloween, there is a host of costumes you can wear with this fiery shade.

From Jessica Rabbit or even the villainous Poison Ivy, there is no denying that we can’t get enough of this striking hair colour, no matter what time of the year. Credit: @paigehammy

Editor’s tip: If you plan on adopting any of these Halloween hair colour ideas, we suggest using the TRESemmé Colour Revitalise Shampoo and Conditioner to help maintain your colour vibrancy way past Halloween.

Candy Corn Hair

bold yellow to orange ombre hair colour on blunt bob length hair
From sunrise to sunset this neon colour will make the perfect Halloween hair colour. Credit: Instagram.com/hairchakra

If you’re stuck for Halloween hair colour ideas, where better to draw inspiration from than a favourite Trick or Treat snack? Candy Corn colours make a great choice for hair inspiration, seamlessly transitioning from one bright hue to the next.

Sticking to the classic yellow and orange shades, this look will ensure you turn heads from sunrise to sunset. Credit: @hairchakra

Neon Rainbow Hair

neon rainbow ombre hair colour on long hair with large waves
Go bold or go home with this neon rainbow hair colour. Credit: Instagram.com/hairbymisskellyo

We all know that neon rainbow hair has been spotted on our fave stars, so what better excuse to try the trend than for Halloween?

Go for classic neon rainbow hues or mix things up with your own concoction of pastels or subtle rainbow shades – go wild and tailor this look to your amazing personality! Credit: @hairbymisskellyo

Gothic Grey

grey straight long hair with dark roots
Be on-trend with this grey hue. Credit: Instagram.com/trendywigs

Long, straight hair is made for this goth queen-perfect grey hair colour. Keep it dark at the roots for a grungy feel and get ready to show off this ‘do way past the scare season. Credit: @trendywigs

Magical Mint Halloween Hair

mint hair colour on medium length hair with large waves and Halloween makeup
This Halloween hair colour is mint! Credit: Instagram.com/pravanaindonesia

Anyone who adores glamorous waves owes it to themselves to try out this super fresh minty shade once in their mane life. Credit: @pravanaindonesia

Pastel Lights

back view of pastel rainbow hair colour with two braids down straight hair
Who said Halloween hair needs to be scary. Credit: Instagram.com/paigehammy

Unless you have been living under a rock, you will know that pretty much everything has been given a unicorn makeover, and that goes for this pastel hue, too!

Once you have your magical colours done, show them off with this cute braided look. Credit: @paigehammy

Editor’s tip: Want to know how to create the perfect braid? You’ll need the TONI&GUY Flexible Hold Braid BalmIt’ll help add structure to your braids and make them last as long as you do, so what’s not to love?

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Joker Green

green hair ombre on long large waves hair
Make people green with envy with this Halloween hair colour. Credit: Instagram.com/shellygregoryhair

Perhaps one of the most replicated Halloween looks is the Joker – and this deep green hue is the perfect shade to team with your Suicide Squad-inspired look. For the ultimate good-girl-gone-bad look, opt for an ombre by keeping the roots dark and add splashes of green throughout the lengths.

Now just find someone to go as your Harley Quinn and you’ve got the ultimate Trick or Treat duo! Credit: @shellygregoryhair

Witch Hair

Halloween hair colour: Woman with dark emerald green short hair styled into waves at the end, wearing orange lipstick with a Bardot top in a studio
Double, double toil and trouble! Credit: Instagram.com/elissawolfe

Ever fancied yourself as the Wicked Witch of the West? Then all you need to do is opt for a dark green hair hue and you’ll look like part of a witch clan in no time. Just remember to grab your black cat and broomstick on the way out! Credit: @elissawolfe

Pumpkin Hair

Halloween hair colour: Side shot of woman with pumpkin spice hair colour, wearing black jacket and posing in a woodland setting
Pumpkin tresses will be everywhere this Halloween. Credit: Instagram.com/nk_beautysalon

Can’t be bothered to carve a pumpkin for Halloween? Then why not dye your hair the colour of one, instead, this year? For some more pumpkin spice hair inspo, check out our favourite looks, now. Credit: @nk_beautysalon

Pink and Pumpkin Ombre

Halloween hair colour: Close up shot of woman with bubblegum pink hair to pastel orange ombre styled into a messy bun, with pumpkin decoration on it
How cute is this Halloween hair colour? Credit: Instagram.com/pennyforyourhairthoughts

Allow this beauty to show you how to pull off bubblegum pink and pastel pumpkin Halloween hair. The best way to style it? In a messy bun, complete with some pumpkin detailing like this. Credit: @pennyforyourhairthoughts

Monster Purple Hair

Halloween hair colour: Woman with dark purple wavy long hair posing in a salon setting

If it’s a stunning, shimmering hue that you’re after, then spookify your mane by sporting a deep purple ombre this Halloween!

Start darker at the roots, before gradually transitioning into a lighter purple tone. This look really packs a punch with loads of depth and dimension. Credit: @jeffreyrobert

Vampire Black Hair

Halloween hair colour: Shot of a woman with long, dark black hair, wearing black lace dress and statement jewellery
Keep it sexy and classic with this dark Halloween hair colour. Credit: Instagram.com/mahafsoun

Nothing screams vampire vibes like good old fashioned black hair. Simply throw on some statement jewellery, and you’d even give Dracula a run for his money! Credit: @mahafsoun

Editor’s tip:  To really boost your coloured locks, we suggest you try using the TRESemmé Colour Shineplex Serum on them. This serum will help nourish your hair and improve its vibrancy.

Ghost Grey Hair

Halloween hair: Side shot of woman with long, straight ghost grey hair
Ghoulicious! Credit: Instagram.com/shibuyahairsalon

Don’t hide your pretty mane under a sheet this Halloween, as you can still go as a stunning spectre with an ethereal hair hue! Going as a ghost is actually super simple, all you have to do is throw on some dark clothes and flaunt shiny silver hair! Credit: @shibuyahairsalon

Psst… Discover how to make your tresses gleam with our favourite shine sprays!

Mermaid Ombre

Halloween hair colour: Side shot of woman with dark blue to teal green short bob hairstyle with fringe, wearing black and posing in a studio
Sea tresses never fail to impress. Instagram.com/pulpriothair

Mermaid hair has been a hot trend this year, and it just so happens to make the ideal Halloween hairstyle, too! So, to ooze magical mermaid vibes, work in a luscious blue to teal ombre into your locks. Credit: @pulpriothair

Ice Queen Hair

Halloween hair colour: Back shot of a woman with long ice blonde wavy hair, wearing navy blue jumper and posing against brick
Khaleesi is that you?! Credit: Instagram.com/braidsandbalayage

Take your love for Game Of Thrones to the next level by getting this Khaleesi-approved silver hair colour done! Once you’ve got this pretty shade, you can try all sorts intricate braids and bun hairstyles. Credit: @braidsandbalayage

Ariel Red Hair

Halloween hair colour: Woman with straight, medium Ariel-inspired red hair wearing white top and posing against brick
Under the sea! Credit: Instagram.com/cinstylez

You can’t go wrong with the classic Little Mermaid hairstyle and we’re going to guess that at some point you wanted to be Ariel (didn’t we all?).

Luckily, Halloween is the night when you can rock whichever look you’ve been desperate to try. So, get thee to the salon and dye your locks this stunning shade of cherry red! Credit: @cinstylez

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Two-Tone Hair

Halloween hair colour: Woman with wavy black and red two-tone hair, wearing red eye shadow with dark lipstick and netted top in a studio
Double the colour, double the fun. Credit: Instagram.com/makeupbysofx

Decisions, decisions. With this look you don’t have to choose between jet black locks or red tresses – just have both! We love the quirkiness of this two-tone hairstyle coupled with the pigtails, which are both creepy and pretty. Credit: @makeupbysofx

Celestial Hair Colour

Halloween hair colour: Back shot of a woman with purple and midnight blue hair styled into space buns, wearing collar choker and long purple and blue nails
Because your celestial queen look will be complete with this hue! Credit: Instagram.com/sandrarclemente

We adore this pretty shade of violet and blue! While the locks look feminine and girly, the celestial feel of them makes it Halloween-ready. And, if you’re not sure how to style this shade, try out space buns. Credit: @sandrarclemente