33 Anonymous In: Question-Answer What is the most uncommon color found on a world flag? 33 What is the most uncommon color found on a world flag? Purple Orange Black Green 1 Answer Voted Oldest Recent Random Best Answer Goto 2021-10-05T15:34:19+00:00Added an answer on October 5, 2021 at 3:34 pm The correct answer is: Purple. 13 Reply Share Share Share on Facebook Share on Twitter Share on WhatsApp Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment.