Can any paint be matched exactly?

Can any paint be matched exactly?
Thanks to the computerized color-matching technology at most paint stores, you can match almost anything! If you're trying to find a paint that's the same color as an object, you can bring that object in with you when you go to buy paint.
Is paint matching hard?
matching automotive paint is much harder than the average person understands. ... Replicating this exact same finish on an auto body repair is very difficult to do if not completely impossible. There are simply too many variations that can throw the match out of whack.
How does color matching paint work?
It works by beaming light from an internal lamp onto a sample. Some of the light will be absorbed by the sample, and the rest will pass completely through and strike a detector behind the sample. The detector senses the light being transmitted through the sample and converts this information into a digital display.
What's the accuracy of a paint color match?
Many paint vendors have a database of competitor paint colors they use for a paint match. These databases are created from manual or spectrophotometer matches. At best, they have a 90% accuracy, if the operator has been properly trained. The paint in this photo was paint matched from a database at a big box store.
Can a paint machine match a paint color perfectly?
Some paint manufacturers have handheld units that specifically match their selection of paints, and other units offer the full range of 13,000 colors offered by the leading paint manufacturers. Certain models even help you choose complementary colors that will coordinate with the color you’re matching, taking the guesswork out of decorating.
How can I get a perfect match for paint?
How can I get a perfect match?" Carl Minchew, Director of Color Technology for Benjamin Moore: The old-fashioned way is to bring a Tiffany box to a paint retailer and find a similar color from the wall of color cards. But now, if you want to get a more exact match, that's where the spectrophotometer comes in.
Which is the best tool to match paint colors?
If a paint matcher is short on time, they might not wait long enough to see if the copied sample is correct. One tool for matching paint colors is a spectrophotometer, available at many paint stores. This tool is likely your best bet, but even so is only 90% accurate with training and experience.