Sega blue sky

noun2

1. •
   A vibrant blue sky within or reminiscent of a video game by Sega.
2. •
   (informal) The bright and vibrant visual aesthetic that defined many of Sega's classic arcade and console games from the late 1980s to the early 2000s, known to feature tropical beaches, lush green hills, or sweeping open horizons, and prioritizing high-saturation color palettes.

   • Ah, OutRun. The quintessential “Sega blue sky” series... and one that has kind of fallen by the wayside a bit since the expiry of Sega’s license with Ferrari. — 2017