I don't know if this really matches the user request (specifically by martin.zaske) but I hope someone enjoys the diversity in skin tone provided by this image. Why not make your own too?
非洲程序員
Africa、African、black、cafe、coder、Comic characters、computer、desktop、Internet、male、man、occupation、PC、programmer、remix+211418、work、Working Life
非洲、非洲人、黑色、咖啡店、編碼器、漫畫人物、電腦、桌面、互聯網、男、人、佔用、個人計算機、程序員、混音+ 211418、工作、工作生涯
資料來源：openclipart ( https://openclipart.org/ )