Glass material rendering grey/darker


Hi everyone,

I’m trying to make photorealistic glass objects in order to apply some visuals/patterns at the end.

I achieved something I like on a black background, but If I put my render on a white screen the render looks really bad.

I had lots of trouble to get a nice lightning but now I’m stuck with this.

How can I make the glass looks really transparent ?

You can download the project file here :

Thanks in advance for you help :heart:


Turn off AO in the render settings, or put a compositing tag on the object and uncheck “Seen by AO”.


Hi, you have nothing to propagate light in your scene, no global illumination, and nothing the light would bounce of. So your HDR is only giving you reflections.
I modified your file: