Diverse Skin Tone Face Targets (Set of 10)

Description

The Monk Skin Tone (MST) Scale was developed by Dr. Ellis Monk at Harvard and is comprised of 10 different tones. The scale is currently being used by Google Research and is designed to represent a broader range of geographic communities than the commonly used Fitzpatrick scale, which is skewed towards lighter skin tones due to its dermatological background.

By comparing their color accuracy to real human skin, we found limitations of the existing skin tone scale and developed a revised Monk scale as a more equitable solution for improving camera calibration and color accuracy.

Availability individually or purchase the full set of ten and save 20%. We recommend the option to mount on ePanel and add magnetic backing.

Related Paper (2025):  Improving Image Equity: Representing diverse skin tones in photographic test charts for digital camera characterization
Related Paper (2024):  Evaluating Camera Performance in Face-Present Scenes with Diverse Skin Tones
Related Article: How Consumer Cameras Perform Across Skin Tones
Simulated Skin Tone Reference Data: monk_skintone_targets_reflectance.csv

Simulated Skin Tone Reflectance Spectra

Chart Mounting and Magnetic Backing

It is strongly recommended that charts be mounted on a smooth, flat surface, like an acrylic board, to ensure no blemishes, bends, or bubbles occur that negatively impact image quality measurements. Imatest offers the option to professionally mount our test charts on acrylic or E-panel. A magnetic backing can be added to the chart to easily attach it to the Imatest Modular Test Stand or Benchtop Test Stand.   You can select the chart mounting options from the chart mounting dropdown.   

For more details, see our chart mounting solutions page.