.* [color=grey;opacity=100]

[label;opacity=100]

n(diff=onaxis, src=B) [color=dred]
n(diff=offaxis, src=B) [color=dblue]
n(diff=offplot, src=B) [color=dgreen]
e(src=B) [color=orange]

n(diff=onaxis, src=A) [color=lred]
n(diff=offaxis, src=A) [color=lblue]
n(diff=offplot, src=A) [color=lgreen]
e(src=A) [color=purple]