The crest/logo/seal/whatever of Celestial Being from Gundam 00.

Every color change is at a different layer, so this can be printed with a single extruder! The easiest way to do this is with Prusa ColorPrint: https://www.prusaprinters.org/color-print/

At the default scale, color changes are every 1 mm:

0-1 mm: background/web connecting wreath to main body (clear) 1-2 mm: background of "text" section of circle (white) 2-3 mm: ocean and "text" (dark blue) 3-4 mm: land, outer circle, and wreath (light blue) 4-5 mm: halo and space between feathers (yellow/gold) 5-6 mm: rest of bird (yellow/gold)

At 0.2mm layers, you should end up with ColorPrint filament changes at 1.2, 2.2, 3.2, and 4.2mm.

If you scale the model, I suggest only scaling in X and Y to keep the color changes at 1mm intervals. Or just scale the z height so that the changes are in multiples of your resolution.