This morning I visited the Atlanta H boutique and there was Pirouette au Galop in colorway 10 (marine/naturel/beige rose). Like many others, I had assumed it would be black, but H is calling it "Marine" -- to my eye it's a VERY dark navy. I thought you might be interested in a comparison of scarf shades, though I realize colors are different on monitors, and fabrics aren't the same, and you might not have these scarves at hand, etc. I photographed in daylight using my iPhone.
From the top left going clockwise around my
Pirouette au Galop CSGM: silk twill 90
Reve de Corail in "Noir" which has previously been noted on this particular scarf to be kind of a "blue-black ink" color rather than pure black; on the right the "monochrome" silk twill 90
Mythiques Phoenix in cream and multiple dark shades, including black and navy in the fan pattern; at the bottom a black top and in the lower left a navy one. I think you can see the subtle "beige rose" of the chalky design, which also has scribbles of "naturel" in it.
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I don't know if this will help those who might have written off the "navy" Pirouette, but I think it's worth a look before you assume that it won't work at all with black. To me, the subtle pink/naturel design is interesting enough to balance a difference in background shade, but YMMV.