Managing a pet's medication, a chronic condition, or just the ordinary business of keeping them well is already a source of quiet stress for a lot of owners. The last thing that needed was an interface that looked and felt like a hospital chart.
The problem with clinical design
Blue and white, sharp edges, clipboard-style layouts, all of it is designed to feel efficient and serious. For a hospital system, that's the right call. For something you open every single day, sometimes multiple times a day, for years, it just feels cold, and it makes an already heavy task feel heavier.
Why cream and rose instead
The warm cream background and dusty rose accents were chosen to feel closer to a favourite journal or a well-loved home than a medical device. This is still a serious tool doing serious tracking, but there's no reason the day-to-day experience of using it needs to feel clinical to be trustworthy.
Built by someone using it, not designing for a market
This wasn't a market-tested palette, it was built by someone who was going to be opening this app three times a day for a cat with a long-term condition, and who wanted that experience to feel calm rather than sterile. The design choices follow from that, not from a broader trend in health app design.
The same thinking runs through every part of Halo, from the typography down to how a completed dose is confirmed. Serious tracking doesn't have to look serious to work.