# Revision history [back]

It seems it was due to the fact my cameras used noise. I used the model described in the tutorial,

<camera>
<horizontal_fov>1.047</horizontal_fov>
<image>
<width>1024</width>
<height>1024</height>
</image>
<clip>
<near>0.1</near>
<far>100</far>
</clip>
<noise>
<type>gaussian</type>
<mean>0.0</mean>
<stddev>0.007</stddev>
</noise>
</camera>


Without this noise, I don't have the background color error anymore. I don't really know if it was specific to my platform.