But the design language was less uniform in OS/2 despite that it was based on Presentation Manager standard like Win3.1. The generous use of colors in OS/2 made it look like a kindergarten scrapbook, rather than a serious desktop OS. Maybe, they thought people would find it friendlier that way, and it might have even looked friendlier.
Yet, Win95 looked way more professional than OS/2 because the design language (fonts, conservative color use in UI elements and more incorporation of gray 3D style in the UI) was simply more elegant. That was mostly because of the influence of NeXTSTEP in the design of Win95 though, so thanks, Steve Jobs, I guess? :)
Not to mention completely innovative paradigms in Win95 like "Start" menu and taskbar which made it to 2024 and became the de-facto standard of desktop UX.
This said, I believe that what made a big difference in look and feel when Windows 95 was released was the introduction of TrueType fonts that had much better rendering. OS/2 was using PostScript fonts, and introduced support for TrueType much later... If I remember correctly thanks to the open source efforts of the FreeType project.
Are we still talking about OS/2 2.x? I somehow remember it to be more "somber", and a very quick search seems to confirm that, though it's not conclusive.
https://www.classic-computers.org.nz/blog/images/2009-10-3-o...