Colors of a sprite look dull when added to a UI panel

Unity Engine
1

I have a little sprite that i want to use as a UI panel, and it looks fine when dragged into the scene as its own sprite. But the colors become dull and grey when its used on a UI Panel. Example below.

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2

bump

3

Hm, it actually seems to be somewhat transparent. I Didnt set it to be transparent, though.

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4

Bump.
I have this problem as well in my 3D game