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Xrite Original ColorChecker Card

The Original ColorChecker Card from Xrite is a checkerboard array of 24 scientifically prepared colored squares in a wide range of colors. Many of these squares represent natural objects of special interest, such as human skin, foliage and blue sky. These squares are not only the same color as their counterparts, but also reflect light the same way in all parts of the visible spectrum. Because of this unique feature, the squares will match the colors of natural objects under any illumination and with any color reproduction process.

The ColorChecker provides a totally non-subjective standard of comparison to help determine the true color balance of any color rendition system, and it provides the needed standard for comparing, measuring and analyzing differences in color reproduction in various processes, thereby avoiding costly mistakes.

• Achieve true-to-life color reproduction.
• Minimize tedious trial and error color adjustments
• Simplify camera and studio lighting balance
• Large Size: 8.25 x 11" (21.5 x 27.9 cm)

There used to be a “Digital ColorChecker (DCC).” It turned out to be unreliable; it's now discontinued. There's a a “ Digital ColorChecker Semi Gloss (SG) ”; it offers 140 colour and grey patches, including (near the centre) the original 24 ColorChecker patches.

X-Rite does not publish spectral reflectance data for the ColorChecker. (Spectral data is however available from Gretag for its big brother, the ColorChecker DC.) The ColorChecker used to come with an insert sheet containing colorimetric data, referenced to Illuminant C. I have entered, checked, and double-checked the data on that sheet. The Hue, Value, and Chroma columns are in Munsell notation. (I made a minor editorial change: I indicate Munsell chroma value of zero for the grayscale patches.)