Lavender is a combo. It also specifically refers to the base color. They are Black base animals with Hypo, you can use several methods to create them and all point to a hypomelanistic trait that when mixed with black base animals produce purple and blue hues when firing up and down. They usually exhibit creamy and white coloration. Young orange animals also tend to turn white in the vast majority of animals. 
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. [1:1]
The belly is unaffected by this trait.
The tail is unaffected by this trait.
No known proven lines