Colour advice, help please

[Sarah 26]

I have been hairdresser for ten years never a probblem with my clients colour but my own is a big probblem for me I have been bleach for ten years just come back from holiday and it was white so I used igora 9/55 semi and it went gray so 2 days later I used 7/55 5 mins on and now it's very gray my natural base is a igora royal 7/77 Ginger I want now to go back that colour igora r not doing pre pig moose at the moment and doing test strands every one I have done looks to light or to dark or a crapy shade that's not even in the chart my hair is a nightmare there is a fab pic in the back of the head mag and it looks like a 7/554 but that didn't work on my test strand help any advice you have will be great

 

[VIVA.GLAM]

Tricky :S Can you post a picture?