Folder shadows

[meetdilip]

Hi, This is my first lighting doubt. I am happy that I got to this point. I am trying to draw a folder icon as beautiful as this ( without the download button )

I drew the shape and added colours in Blender 2.82a. But shadows and gradient lighting is not easy for me. It would be great to have some guidance there.

As you can see, it is dark. It is possible for me to make it bright. But not sure how to make the folder stay in vivid lighting. Thanks.

I am swinging between the bright and dark lighting. Please see below

I would be thrilled to get something like this from Blender, without using local editing. It is a bit washed out, but still interesting

[meetdilip]

Cycles give more bright out than Eevee. After many trial and errors, I got this far

Used Cycles to render. In some cases, Cycle is giving grainy output. Inside Blender, even Eevee looks bright and illuminated. But once I render it out and compare with other folder icons, the output looks like a low quality art.