Hi Elaine. Assuming you live Florida based on the palm tree? Benjamin Moore Nimbus Gray, Oxford Gray, Normandy are beautiful blues and blue-grays that fall into the colors you mentioned above. The BM website will give you coordinating colors for the gray wall.

The garage door is not a "design opportunity". It should be unobtrusive.

White with a turquoise door would be nice.

Yes, it is Florida. Cocoa Beach. Thank you all for your comments. I do like the Oxford Grey by Benjamin Moore, it has a nice blue undertone. I'll keep the garage unobtrusive. Thanks again. Elaine

either of these blue grays would be nice, white trim, wrought Iron garage door

These lean a little more toward the lavender side of gray and blue:

Periwinkles

Or, go bold w/Cheating Heart on the stucco,

You may want to change out that garage door though.

they have a garage door paint that mimics wood

You live in Florida— if you like lavender, periwinkle, or blue, you should totally do one of those!! I’d paint the grey wall something else (white?) rather than try to coordinate with it and not choose a color that makes my heart sing.

I’m no good at suggesting specific colors/brands, but one tip is try to find muddy, greyed-out versions of the colors you like so they don’t look so bright on your home.