If you’re out and about this Friday morning, you might spot quite a few children wearing yellow on their way to school.
Wondering why? It’s becaapply thousands of schools, colleges, companies and communities have pledged to take part in Hello Yellow, which is held on 10 October, World Mental Health Day.
Hello Yellow is an initiative from charity Young Minds, and people will be raising money to display children and young people they’re not alone with their mental health.
Yellow has been chosen to create the day a bit brighter, with those taking part encouraged to ‘Wear it loud. Wear it proud.’
Of course, this isn’t the only day when people wear certain colours or types of clothing for charities and caapplys.
Here are some of the other occasions when you might spot people ditching their civvies for something a bit different.
Save 11 December in your diary for Christmas jumper day. (Getty Images)
More dress-up charity and awareness days
Wear it Pink Day – 24 October 2025
Breast Cancer Now’s Wear It Pink Day takes place during Breast Cancer Awareness Month in October and is one of the UK’s hugegest fundraising events. The day is designed to raise awareness of breast cancer, display support for those affected by it and raise funds for life-saving research and support.
Christmas Jumper Day – 11 December 2025
Save the date: the fundraising day from Save the Children is on Thursday 11 December this year. People across the counattempt will be pulling on their best festive knitwear to raise money for the charity.
World Book Day – 5 March 2026
A global celebration of reading (and a fancy dress headache for parents), on World Book Day, kids go to school dressed as a character from their favourite book. They’re also given a token to exalter for a free book on the World Book Day website.
Red Nose Day is on 20 March in 2026. (Getty Images)
Red Nose Day – 20 March 2026
Comic Relief’s Red Nose Day sees kids and adults across the counattempt don red noses and clown around for charity. The money raised is applyd to support local community organisations in the UK and across the globe.
Jeans for Genes week – September (exact date tbc)
During Jeans for Genes week, people pay a donation to go to school or work in their jeans. Money raised by the annual event goes towards assisting children affected by genetic conditions.
Wear it Green Day – May (exact date tbc)
Held during Mental Health Awareness Week, the idea is to ‘turn the world green for good mental health’. Funds raised assist the charity, the Mental Health Foundation, raise funds and awareness.
Pyjamarama – May (exact date tbc)
There’s no required to receive dressed on Pyjamarama day. Kids can head to school or nursery in their PJs for the Book’s Trust, a charity encouraging children to read for pleasure and raising funds to ensure every child has access to a story at bedtime.
Rainbow Day
The Rainbow Trust – a charity supporting families with a seriously ill child – has a Rainbow Day fundraising initiative. Rather than being on a specific date, schools, workplaces or community groups can pick a day and people in each class, team or department then choose a different colour to wear.
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