Underlay of lip sync

I chose the grey and black colouring as I wanted to create a darker tone to the piece, 
"Her eyes, she's on the dark side" -  by using the colour scheme this allows for the audience to believe that being someones 'angel' isn't necessarily a good quality, thus the sensual and dangerous aspects of the lips are then reflected upon the ink (the audience)

Here is the first colour editing before inverting the colour tint;