Introduction
Color occurs when light is perceived by the human eye. Color reflected from, or emitted by samples can be measured using basic color meters or more robust spectral devices for more detailed analysis.
Accurate color measurement depends on the sample, on calibrating the setup for the illuminant and detector being used, and on subjective human perception. Also, measurement geometry is critical to ensure consistent results and compliance with standards. Managing each element involves subtleties that are critical for producing accurate, repeatable results.

Advantages of Color Measurement

• Spectral measurement is far more sophisticated than visual inspection
• Data acquired can be used to calculate multiple color parameters
• Non-contact: Measurements can be taken at a distance, preventing damage to the sample and providing flexibility
• Parameters such as brightness, power output and color can be measured simultaneously

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