Colors of the Bunny Line-Up

 

 

 

From left to right: chocolate tort, black tort, blue tort, black tort and black tort.
Black tort is also the regular tort, the official designation in the Standard of Perfection is "Tort". 

 

 

Three torts.

 

Tort and blue tort.  Blue tort is the dilute version of tort.

Tort  aaB-C-D-ee
Blue tort aaB-C-ddee

The difference is in the D location.   The D shows the dense color and the dd shows the dilute color.

 

Chocolate tort and tort.

Chocolate tort: aabbC-D-ee
Tort aaB-C-D-ee

Both are dense color with the D but the chocolate tort carries two brown genes (brown gene is also called the chocolate gene) while the tort carries at least one black gene.