some angle of camera. text layer is wrong layer and dimming color.
in my project alpha background in back layer is show look like in front layer. and text is behind background
in my project alpha background in back layer is show look like in front layer. and text is behind background
This is a typical render order issue. You can solve it by manually defining a render order like so:
planeText.renderOrder = 1;
planeText2.renderOrder = 2;
Is there a specific reason for setting the depthWrite property? I think you can remove it from the text’s and the black plane’s material.

@Mugen87 Thank so much it Work!!