This is trait is referring to the base colour of the crested gecko.
No history yet
The head is unaffected by this trait.
When the gecko is fired down, the base colour will have a light grey colouring. When fired up, the base colour will be ever so slightly darker than it’s fired down phase which will show a slight blue / purple hue. 
The belly is unaffected by this trait.
The tail is unaffected by this trait.
No known proven lines
No known related traits