Weird eyedropper tool reaction

[kennedyAZ]

Hi all, I'm encountering this strange reaction with the eyedropper tool where when I use it on a material, the material will suddenly turn one shade darker. If I do it again, the effect repeats and it just keeps getting darker with every click. To fix it I have to reload the jpg image everytime and that resets the image.

This occurs whether the material has a texture image or not. It happens at random and I'm not sure what triggers it. There are models where i don't even encounter it at all. I do not have shade & shadows turned on.

I am modeling for rendering in VRay.

Specs below if that helps.

Hope anyone can help.

Thanks!

[Rich O Brien]

@kennedyAZ Did you try switching Graphics Engines?

I'd rule that out first as I've seen people with issues using the newer engine.