Dark Slate Grey recommendations please

[Stressy]

Got to the painting stage of my Coastal Command Whitley and reached for the Dark Slate Grey only to find I haven't any! Any recommendations on a good match from the likes of AK, Vallego, Mr Color please?

[Casey]

From the above I only have Vallejo Air full set measured, so:

 

Vallejo: 71.128, Gris Violeta. It is a bit off (1.86 DE) and tiny bit darker (and bit less green than it should be) but it is not a tragic match.

 

Edited November 5 by Casey

[Stressy]

Many thanks!