Color Checker Exposure Verification

Verify your exposure accuracy by comparing measured color checker patch values to targets.

Measured lightness (L*) of the white patch from your color checker. Use your editing software color picker.
L*
Measured lightness (L*) of the black patch. Should be close to 4 for proper exposure.
L*
Reference white L* value. X-Rite ColorChecker white is L*=96.04.
L*
Reference black L* value. X-Rite ColorChecker black is approximately L*=3.72.
L*
Measured L* of the 18% gray patch. Target is approximately L*=50.87.
L*

Results

Exposure Offset-stops
Contrast Range-L* units
Dynamic Range Check-stops
White Balance Shift-
Calibration Quality Score-/ 100
Reference: Based on X-Rite ColorChecker Classic target values. L* values per CIE L*a*b* color space (D50 illuminant).