18 Halloween Hair Colour Ideas for Spooky Season and Beyond

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

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

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

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

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

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

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 Balm! It’ll help add structure to your braids and make them last as long as you do, so what’s not to love?
Joker Green

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

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

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

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
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

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

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

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

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

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
Two-Tone Hair

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

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