There's a particular kind of quiet that's been creeping back into living rooms in the evenings. The telly's off, or murmuring in the background. The phone's face-down. And a grown adult - someone with a mortgage, a job, a to-do list as long as their arm - is sitting at the table with a set of pencils, carefully colouring in.
A decade ago, adult colouring books became a genuine publishing phenomenon, with intricate patterns and "enchanted forest" designs selling in their millions and topping the bestseller charts. It would have been easy to write it off as a passing fad, a bit of childish escapism that would fade as quickly as it arrived. It didn't. If anything, more adults are reaching for the pencils now than ever, and the reasons run a lot deeper than a warm feeling about primary school.
Yes, there's a thread of nostalgia in it. But that's the smallest part of the story. Here's what's really going on.
It's an antidote to the screen
Most of us spend our working day looking at a screen, then "relax" in the evening by looking at a different screen, often two at once. We are, frankly, fried - and some part of us knows it.
Colouring is appealing precisely because it asks for the opposite. It's analogue, tactile and entirely offline. There's nothing to scroll, no notifications, no algorithm deciding what you see next. For an hour, your hands are busy and your eyes are resting on paper instead of pixels. In an age of relentless digital input, that on its own is a powerful draw - a small, deliberate act of switching off.
It quietly drops you into "flow"
Psychologists talk about "flow", that absorbed state where a task is just challenging enough to hold your full attention, time seems to disappear, and the mental chatter goes quiet. It's the same thing runners, gardeners and musicians chase, and it's one of the most reliably restorative states there is.
Colouring is a remarkably easy on-ramp to it. The task is structured enough to occupy you - which colour next, staying inside the lines, how the shades sit together - but not so hard that it's stressful. Twenty minutes in, you look up and realise you haven't thought about the work email, the awkward conversation or the thing you forgot to do. For a busy, overloaded mind, that gap is the whole point.
It calms an anxious mind
This is where it stops being just a nice idea. Researchers who've looked at colouring have found it can measurably lower anxiety, particularly when people colour structured, repetitive designs rather than drawing freely. The rhythmic, predictable nature of filling in a pattern seems to settle the nervous system in a way that a blank page doesn't.
In other words, it works a lot like mindfulness - focusing your attention gently on one simple thing in the present moment - but without anyone asking you to sit cross-legged and "clear your mind," which plenty of people find impossible. Colouring gives the restless among us a back door into the same calm. You're not trying to meditate; you're just colouring. The calm arrives anyway.
It's creativity without the pressure
Lots of adults would love to be more creative but are quietly terrified of a blank page. They decided somewhere around the age of nine that they "can't draw," and the fear of producing something rubbish stops them starting at all.
Colouring removes that barrier entirely. The hard part - the composition, the drawing, the staring at empty paper - is already done. All you bring is the colour, and there's no wrong answer. It's a way to make something that looks lovely and feel creative again, with none of the performance anxiety. For a lot of people, it's the first creative thing they've enjoyed since childhood.
It's permission to do nothing "useful"
There's one more reason, and it's quietly the most important. Most of us are terrible at resting. Even our downtime has to be productive - a podcast that teaches us something, a walk that hits our step count, a hobby we might one day monetise.
Colouring is gloriously, defiantly pointless. It produces nothing of value. You can't put it on your CV. And that's exactly why it's so restful - it's a rare permission slip to spend an hour doing something purely because it feels nice. In a culture that treats rest as laziness, that's almost a radical act, and a deeply needed one.
The grown-up evolution: colouring your own life
If the early wave was all mandalas and woodland scenes, the interesting shift now is towards colouring things that actually mean something to you.
A personalised colouring book made from your own photos takes everything that makes colouring calming - the focus, the flow, the screen-free quiet - and adds a layer that generic patterns can't touch. Instead of filling in an anonymous floral border, you're colouring in your wedding day, last summer's holiday, your kids when they were small, the dog. It holds the attention even more completely, because you're not just colouring; you're sitting with a memory, slowly, one shade at a time. It's the same restorative hour, made personal.
It also quietly answers the "but it's a bit childish" worry that stops some adults trying it. There's nothing childish about spending a calm evening with your own favourite memories.
Not a fad - a small, sensible habit
The grown-ups with the pencils have worked out something worth knowing. In a world that's loud, fast and almost entirely on a screen, an hour of quiet, analogue, low-pressure focus is genuinely good for you. It calms the mind, rests the eyes, and gives you a moment of stillness you didn't have to earn.
That's not nostalgia. That's just looking after yourself - and it happens to look like a colouring book.
At PicBooks, we turn your favourite photos into a personalised colouring book - a calm, screen-free way to unwind with your own memories rather than a stranger's patterns. Printed and posted across the UK from £10.99 with free delivery. Upload your photos and preview your pages; you only pay when you're happy.
Turn Your Photos Into a Colouring Book
Upload your favourite photos and preview your pages in minutes. Printed and posted across the UK from £10.99 with free delivery, and you only pay when you love it.
✨ Create Your Book