NeXTSTEP was widely regarded as visually striking and innovative for its time, particularly for its clean, minimalist design and advanced graphical capabilities. Key elements contributing to its perceived beauty included:
3D chiseled widgets: Beveled buttons and controls with subtle shading created a dimensional, tactile appearance.
Full-color icons: Large, detailed icons (uncommon in late 1980s GUIs) enhanced visual clarity.
Consistent typography: System-wide use of Display PostScript enabled professional-quality fonts and anti-aliasing.
Transparency and compositing: Advanced graphics handling allowed overlapping windows and semi-transparent elements.
Current discussions still praise NeXTSTEP's design as better looking and more usable than Windows 11 and macOS.