55/46 Wella Koleston

[Lissmorleyx]

Im wanting to do welaa ko,estons 55/46 on my hair.
Ive got 4 inches of virgin base 6 roots then midlengths and ends tinted wk 5/75. What shall i do to enable nice colour turn out?

 

[Lissmorleyx]

Im going to use malibu color correction crystals..