Blue or Black Tort?

[paper_crane2]

They looked blue, but now I'm not sure anymore.

 

[Zass]

From this pic, I think she looks dilute.

 

[paper_crane2]

Here is another picture

 

[Dood]

Look dilute / blue to me too

 

[amandainohio24]

Looks like a blue tort to me from the picture.