animation - Why does my grease pencil's filled outline turn black in render preview? - Blender Stack Exchange

I used two different colors for the fill outline and the fill color. You can see the difference in color with solid mode on, but when I turn on the render preview, the outlines turn black. I have the

I really wanna put Grease pencil for the outlines here but it always come out Weird. anytips? or videos I can watch? : r/blender

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New to Blender, this is overwhelming. : r/blender

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