I've been looking at the color charts and don't see much for blue grays, so I'm wondering if I should just make variations of gray, and lightly dust with blue petal dust, and then luster. It seems to me that trying to mix in black in white fondant (for gray) and then shades of blue, would cancel out the blue altogether. Right? Or would another combination of colors be best? These will be whole circles and circle outlines cut from fondant, applied to white fondant covered cake. So airbrush isn't really going to be helpful in this situation. And several different shades.
Bridal party color: Serene, seen here: http://www.davidsbridal.com/webapp/wcs/stores/servlet/Category_-49998973?colorName=Serene
The other example I'll be working from, and some of these are obviously just shades of blue with nothing else needed, and grays with nothing else needed. http://images.clipartof.com/small/29529-Clipart-Illustration-Of-A-Retro-Background-Of-Gray-Blue-And-White-Circles.jpg
Any help would be appreciated.
I would start with cornflower blue (Wilton) then add a teeny bit of black (if needed).
Cornflower...never thought of that shade. Thank you!