Ok, sounds like you know best.
Good luck to you.

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For anyone else interested, this is a list of some hair suppliers own colour charts, with the colour codes they use:
http://bit.ly/XJaoqY

Just going through them at random this is an example of 3 different company's version the colour 22R:
The variance can be accounted for by printing and monitor differences as well as being just completely different colours.
This why you shouldn't use just codes when ordering, unless you have the colour chart or ring from that particular supplier.