Harbor Grey is a siding color made available through Mastic. If you are looking for deeper tones of grey, try these: Deep Granite and Ironstone Grey

Do you like light grey siding? You might like Royal’s Harvard Slate as well.


  1. Could you please share with me popular roof choices with harbor gray?
    Thank you!

      1. Thank you!! I am looking at samples right now Landmark Moire black and Max Def Pewter. I have very steep roof lines 12/12 and 8/12 …does that affect color choice?
        Concerned black too dark.
        Will try and get max def moire black to see if lighter with more definition.
        Thanks again!!
        This process has been so stressful!

      2. The steeper roof line just means you will get to see more of the shingle. It won’t change the color at all. Good Luck! It’s a fun process but can be overwhelming

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