Documents released by the Home Office show it was aware of problems with its website’s passport photo checking service for people with very dark or very light skin, but decided to use it regardless
Source:
https://www.newscientist.com/article/2219284-uk-launched-passport-photo-checker-it-knew-would-fail-with-dark-skin/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home