Why Kids Write in Different Colors (And When It’s Actually a Good Thing)
I was stacking morning math worksheets last Tuesday, my lukewarm vanilla coffee sweating next to the stapler on my desk, when I turned over Mia’s paper and paused. Every set of addition problems was written in a different color. The single-digit sums in the first row were bubblegum pink. The double-digit sums in the second row lavender. Place values were split: ones digits pink, tens blue. I’d had a “one color only” rule posted on my third grade classroom wall for my first three years teaching. I would’ve scribbled a sticky note that said “Please stick to black or blue for class work” and sent it home without a second thought, even a year ago.
It was three weeks earlier that I first caught on to what was going on. Mia stayed after class to finish spelling practice, twisting three gel pens around her fingers so fast they blurred, erasing so often the page was thin enough to see through. I knelt next to her desk and asked what was tripping her up. She held up the page, where all the b’s were orange and all the d’s were blue. “My brain mixes them up if they’re the same color,” she said, like it was the most obvious thing in the world. “If they’re different, I just know.”
After that, I started paying attention. Jax, who reads a grade level behind and has dyslexia, colors all his silent letters gray so he doesn’t waste time stumbling over them when he reads his own writing out loud. Leo, who’s always jumping ahead to harder math than we’re doing in class, writes each new times table set in a different color to keep them straight in his head. Even my quiet kid who never talks, Zara, writes her journal entries one color per topic: recess blue, her little sister pink, homework gray. I’d always assumed multiple colors were just kids messing around, procrastinating, showing off their new fancy pens. Turns out, most of the time, it’s just kids problem solving their own learning struggles, without anyone telling them how.
I got an email from a parent two weeks ago who was frustrated about this exact thing. Her second grader was taking an hour to do 10 minutes of homework, pulling out a new pen for every question, and she was convinced he was just avoiding finishing. I told her to do one simple thing: ask him why, instead of taking the extra pens away. She wrote back the next day saying he told her he separates his spelling words by vowel sound. Short a words are green, long a are yellow. He’d been doing it for a month and didn’t think to tell her, because it just worked.
That’s the first thing I tell parents and new teachers now: don’t ban it before you ask. Most kids don’t switch colors just to be annoying. It’s a low-stakes visual trick that helps their working memory hold information better, especially for kids who process things more visually than verbally. It’s not that different from me highlighting my lesson plans pink for meetings and blue for grading – I just do it without thinking, too.
The second thing is, keep a stash of cheap gel pens or crayons handy. You don’t need to buy anything fancy. A $3 pack from the dollar store works fine. If you’re a parent, keep them in your kid’s homework caddy instead of locking them up for art time only. If you’re a teacher, add a box to your supply shelf labeled “color for thinking” so kids know it’s allowed, not against the rules.
If you’re worried about neatness, or need worksheets to be scannable for tests, just set one clear boundary: use whatever colors you want for your notes, but write your final answer in one dark color so I can read it. That’s it. No big fight, no rule that makes kids feel like the way their brain works is wrong. I had that with Mia’s timed test a couple weeks ago. I almost told her no multiple colors, because the district requires us to scan the tests. I just reminded her to make her final answers dark enough to read, and she finished two minutes faster than she ever had before, with only one wrong answer. She usually gets four or five wrong, because she mixes up her place values and adds the wrong numbers together. This time, with pink ones and blue tens, she didn’t mix them up once.
A lot of parents ask me if this is a crutch, if kids will rely on it forever. Most of the time, kids stop doing it on their own once the patterns they’re sorting out click for their brain. Mia doesn’t need different colors for b and d anymore, now she still uses them for place value. Some kids keep doing it through middle school and high school, and that’s fine. Adults color code their calendars and their work notes all the time, no one calls that a crutch.
I still haven’t taken that old “one color only” poster down from my wall. I keep meaning to, but grading and parent emails and lesson plans take up all my after school time. Last week, a new boy joined our class, pulled out four different colored pens on his first day, and a couple of the kids leaned over and told him “Ms. L lets us use whatever colors help you.” I graded papers after school yesterday, and half the stack had at least two colors on the page. It used to look messy to me. Now I can see the order in it – each color is a little clue to how that kid’s brain is working. Some days a kid will use 10 different colors just to draw little flowers in the margin, and that’s okay too. It’s still working, in its own way. I’m still learning to stop seeing messy and start seeing thinking.
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