I had just watered it. It's usually light gray. It's still young, (15 years) it will continue to have the juvenile smooth white bark for another decade when it will begin to create the nice rough bark.That tree is pretty tight for an Atlas Cedar. I knew the trunk did not look right but it has been so long since I have had may hands on a true Cedar I did not at first recognize the trunk.. The following Mugo is another in the string of the same Mugo I posted earlier.
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Here's a better picture: