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In the production process, we often find A problem, under this light source to observe the color of A standard sample and B standard sample is the same or the color difference is very small, but under another light source to observe the color of A and B is very different, this phenomenon is called "Metamerism". Heterochromatic spectrum is simply the same color under a light source, but the composition of the spectrum is different. Printing and dyeing industry often said that jumping lights and heterochroma is a concept.
The same two products, under different light sources, the color display is different
The fundamental reason for the different colors of different light sources is that the spectral reflectance of the two colors is different
So in the actual production process how to avoid the occurrence of heterochromatic spectrum phenomenon?
First of all, it is necessary to understand that there are three elements that determine the color of the surface of an object: the object, the light source, and the observer. Only when these three elements are exactly the same, the surface color of the object can be completely consistent.
