Hi is possible to have a button added lock random color texture from changing in the next frame
Itoo forest has an option to show only grass/trees in camera view only to reduce the amount of trees not seen by the camera. But because of this random color is generated every frame making trees change leaf color every frame.
In video you can see grass changing texture seed every frame
Here is their response
"itoo forest reply
"Thanks for reporting the problem. It seems random color texture uses the object's geometry to compute random seeds, so in this case it generates different values because geometry is non-static.
Unfortunately we cannot fix the problem. This is something should be checked by the Otoy team.""
Random Color Texture Changes every frame
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Before posting a bug report, please check the following:
1. That the issue has not already been disclosed
2. That the issue is specific to this plugin, and not Octane in general (Try reproducing it in Standalone)
Bugs related to the Octane Engine itself should be posted into the Standalone Support sub-forum.
All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
A. Operating System, including version (i.e. Win 7, OSX 10.11.2, Ubuntu 14.04, etc.)
B. Graphics Card(s) model (i.e. GTX 580 - 3GB, TITAN, etc.)
C. RAM Capacity (i.e. 6 GB)
D. Nvidia driver version (i.e. 7.50, 7.5.22)
E. OctaneRender Standalone version, if installed (i.e. 2.24.2, 2.23, etc.)
F. OctaneRender plugin version (i.e. v2.25 - 2.21)
G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
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Any progress of fixing Random Color in XREFS and forest. Its hard to call it a feature if it doesnt work with the most basics of the Max systems, ie XREF scene or object 
For archviz, this mean we have to make all cars, forest objects and people using random colors local in our camera scene, not an ideal workflow when we are doing 5km of detail landscaping.
For archviz, this mean we have to make all cars, forest objects and people using random colors local in our camera scene, not an ideal workflow when we are doing 5km of detail landscaping.