Video: How To Measure Color Difference Between Samples

When our eyes see color, the signal our brain receives is a combination of light to dark, red to green, and blue to yellow. This is called tri-stimulus. The color we perceive is a unique combination of these three stimuli. The human eye can actually see almost 10 million shades of color. However, we have difficulty communicating the color to others, and our color perception changes depending on fatigue, mood, age, and many other factors. HunterLab instruments simulate the process of our eyes seeing color and our brain perceiving it.

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