Tag Archives: Planckian Locus

Color Temperature and Correlated Color Temperature CCT

People sometimes get confused about the meaning of correlated color temperature (CCT) and the relationship of this metric to color temperature and the D series of CIE standard illuminants (e.g., D50 and D65). I will offer some scientific insight here … Continue reading

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Monitor Calibration: D65 or 6500 K?

In my earlier post, I explained why the CIE standard illuminant D65 has a correlated color temperature (CCT) of 6504 K, not 6500 K. This is a trivial difference that is generally not perceptible, but it has led to some … Continue reading

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D65 has a correlated color temperature of 6504 K

The most common white points in digital color workflows are D50 and D65. Both D50 and D65 are D-Illuminants with xy chromaticity coordinates specified by the CIE (Commission Internationale de l’Eclairage). The “D” stands for daylight. The number is a … Continue reading

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