X-Rite (GretagMacbeth) Grey Scale card

Accurate and repeatable colour needs a standardised reference source.When it comes to reference charts, Gretag-Macbeth offer a selection of these vital tools for different aspects of colour management. The most well known of these, is the classic colour chart is the A4 sized Color Checker Chart with 24 standard colour patches.There is also a small version, the Mini Checker, featuring the same 24 patches in a handy portable form.

The A4 sized ColorChecker card SG (Semi Gloss) is specifically designed for digital photography. Check and compare the digital reproduction of a real scene or a test pattern, make a white balance with a digital camera, or use the chart with camera profiling software to create an ICC profile of your camera.

Its 140 patches chosen specifically for their location in colour space expand the colour gamut, and allow you to create profiles that capture the full capabilities of your digital camera or scanner.
It includes the 24 standard Color Checker chart colors, plus many other squares that represent natural objects of special interest, such as human skin, foliage and blue sky. These squares are not only the same colour as their counterparts, but also reflect light the same way in all parts of the visible spectrum.

More skin-tone reference colours deliver greater accuracy and consistency over a wide variety of skin tones; the grey scale steps provide accurate control of camera balance and maintain a neutral aspect regardless of light source.

The A4 Grey Scale card is a 3 step spectrally neutral card with black, 18% grey and white portions for quick studio lighting balancing.