Use black as a base and white as the top. The two middle colors can be any darker green and a lighter blue.

Print with a 0.16mm base layer and 0.08mm layer height, 100% infill and 1 perimeter.

Start with Black

At layer #7 (0.64mm) swap to Green
At layer #10 (0.88mm) swap to Blue
At layer #11 (0.96mm) swap to White for the rest.