Below are the contact details of a company who make a renovating kit for upholstery. They can match the colour to your leather.
Woolies www.woolies-trim.co.uk
Note:
We do not recommend using our leather dyes for leather suites, car interiors or motorcycle leathers. This is because the finish is likely to be patchy and uneven, the dye is likely to come off again onto clothes and it would be very difficult to get a colour match.