Rendering a Dark Room

I wonder if you can help me im trying to render a cinema room and I have a black carpet dark grey walls ceilings etc and it keeps rendering white,

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Permalink Reply by Render Plus on February 21, 2013 at 8:50am

The quick answer is to adjust the brightness to get the effect you want.

IRender nXt use "Photometrics" - which brightens dark scenes to make them appear normal. (Much like an automatic camera). The Brightness slider adjusts for that.

Here I placed a black carpet on the floor, and black paint on the two side walls. The normal rendering is brightened to make the overall appearance more "normal"

Here, I lowered the brightness from 50 to 40 to make the entire scene darker.

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Permalink Reply by Render Plus on February 21, 2013 at 9:10am

Another Approach is to use Material Channels to adjust the darkness of the carpet after rendering. Material Channels can be used to make small color and brightness changes after rendering. It is often used to bright something - like to make the ceiling in this image whiter - but it can also be used to darken the carpet.

1. After rendering, left click on a pixel in the carpet and select "Change Color":

The dialog box shows the current average color of the pixels in the carpet RGB(70,70,70)

Use the sliders to adjust the color of the carpet. In this case, I dropped it to 30,30,3 to make it darker, without making the rest of the scene darker.