ZX Spectrum Next 320x192 image with 256 colour palette chosen from 512 colours.
This is a quick and dirty utility to generate a Next-friendly 512-colour RGB333 palette for use in Photoshop or GIMP.
Another version, without a grid:
Threetwosevensixseven/NextWidescreenImage
ZX Spectrum Next 320x192 image with 256 colour palette chosen from 512 colours.
AssemblyMIT