How can a machine match a paint color perfectly?

Color Matching Between Paint Brands - Does it Really Work? - Kylie M Interiors

Using a Spectrophotometer For Car Paint Color Matching After Accidents

How-to Match Another Paint Brand into Lowe's Paint - Porch Daydreamer

Perfect color match paint. - Harley Davidson Forums

How To Match Paint Color PERFECTLY-Easiest Way

How to Match Paint Colors

Color Matching Between Paint Brands - Does it Really Work? - Kylie M Interiors

Hack for Paint Matching - Paint Chip Color Match Tip

Choose a Color Matching System for a Paint Dept

How to Match Paint: Our Favorite Old-School and High-Tech Methods

Paint mixing technology – Brillux

Paint repair job does not match. Is it reasonable to complain? : r/Autobody