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Colour matching, or the lack of it, is the most obvious part of some repairs. Here we will try to deal with the problems involved in choosing the correct colour, and to give you an insight into the things that can go wrong.
Car colours have expanded at a fantastic rate over the last ten years, plus metallics, pearls, etc. etc. adding their own problems. Most cars have a paint code number, either on the VIN plate, a sticker under the bonnet or boot, in a doorshut or even stencilled somewhere. Finding this will help identify the colour name. Some old codes have now been reused, so the year of manufacture is needed as well. Once the colour has been identified, a check with your paint supplier should reveal whether only one formulation exists for that code, or if there are multiple shades, called variants. These alternative colours may be a tiny shade different, or in some cases almost a totally different colour. It is not unusual to have ten or more `variants' for the same colour.
Variations in the original colour on the car can be due to different paint batches, the same colour being supplied by different paint manufacturers, production differences and even the depth of paint on the final product. Any problems caused initially by any of these factors are magnified by the volume of cars produced, individual weathering characteristics and even whether the car is cleaned and polished regularly in it's lifetime.
Car makers are supplied by many different paint companies, aftermarket refinish paints are produced by even more. Some are well known names, e.g. I.C.I or Dupont, others have names that are generally unknown and unpronounceable. All of these could supply a colour, say Ford Radiant Red, which would match an original Ford panel, but mixed using their own specific pigments and different formulas. This method of producing the same colour by different means can sometimes produce odd results, such as a red or orange panel that appears to match perfectly in daylight, but looks like black against white under artificial or street lighting.>>>Continued
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