Windows 2.0 (1987) added overlapping windows and a more capable interface — and quietly retired its predecessor's dithered desktop. Where Windows 1.0 blended green and cyan into a shimmering shade the hardware couldn't name, 2.0 simply took the cyan (#57ffff) and painted the desktop with it directly.
The Windows 2.0 desktop. This is the cyan that Windows 1.0 used as one of its two dither colors — Windows 2.0 dropped the dithering and painted the desktop with it directly.
KNOWN USES2 palettes · 1985–1987
19851987
First in Windows 1.0, 1985. Also in 1 other palette.