How can I fix gradient banding in skyboxes?

[Secretum_Flamma]

I don’t know if this has been asked before. If it has, please tell me so I can delete this post.

I was trying to create a sky, so I created a gradient, and uploaded it as a decal. However, when I use the decal as a sky, some banding occurs.

• The image itself doesn’t have this issue, it’s a smooth gradient.
• The image was uploaded as a PNG.

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The File Itself

In Studio

This is the decal itself.

Thanks!

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Note: The images are different sizes, but they’re both actually 2000x2000 squares. I just took screenshots of them for ease.