Ok I used 2 different tweak apps. One for the invert, one to pull color.
1st test:
https://img.photobucket.com/albums/v420/adriann1973/image_zpscolxuxrc.jpeg
2nd test:
https://img.photobucket.com/albums/v420/adriann1973/image_zpscbpsrbmt.jpeg
1st test:
https://img.photobucket.com/albums/v420/adriann1973/image_zpsc21ilvwb.jpeg
2nd test:
https://img.photobucket.com/albums/v420/adriann1973/image_zpsb8obqh3y.jpeg
Honestly I don't see much on the 2nd but there IS something catching my eye on the first. Blue dye tests are sketchy though. Good luck, girl!