It might seem that the reference image from the frame is quite simple to make color. A little white yellow, a gray-blue earth and we are on a different planet. However, it requires a bit more work.
At the beginning, I improved the balance of blacks, lights, saturations and contrast. The biggest challenge was to adjust the sky. I stripped it of color by chroma light and gave it the right color. Earth, snow and water were also adapted to the colors that prevailed on the planet "Mann". Finally, there are cosmetic fixes: vignette, slight sharpening of details and film grain.
I don't know what your opinion is, but I'm happy with the effect :)