Warning: #@D3436 is not a known color.

[aLekSer]

When I am using dot to produce JPG or PNG file I receive such a Warning:

dot -Tjpg app.dot > ./1.jpg
 Warning: #@D3436 is not a known color.

Note that all over other places code has #2D3436 not #@D3436 .
https://github.com/blushft/go-diagrams/blob/master/diagram/node.go#L140