Can i control the rendering brightness with real time reflection module?

Can i control the rendering brightness with real time reflection module?
In Aframe project with real-time relfection module, The fact that it reflects real surrounding is good but it is too bright so i think the colors look like they are washed off.

Is there any extra setting to control the rendering brightness?
Or should i just try to use A-frame renderer properties like toneMapping, exposure in this document? renderer – A-Frame

And what version of A-frame is the best option for the color fixed rendering?

I’m not sure if there’s a particular version of Three.js that works best for this kind of color rendering. However, I’d recommend testing whether adjusting the RGB values on the material affects the output color. If it does, you can try setting the RGB values to darker shades, which should give you a darker overall reflection.