Summary

Colton Haynes's Interpupillary-Mouth Width Ratio, which measures how mouth width lines up with the distance between the eyes, is 0.88x and scores 9.8, sitting above its ideal range of 0.83 to 0.87x. The ideal ratio is 0.85x, indicating a mouth slightly narrower than eye spacing, and his value is higher than 90% of the men on the wiki, while 30% of them measure inside the ideal range. He shares the 0.88x value with Adrian Grenier, Chris Carmack and Christopher Nolan, while John Travolta records the highest value at 1.01x and Sehun (EXO) the lowest at 0.68x. For more context, see Colton's Chin to philtrum ratio, Colton's Cupid's Bow Depth and Colton's full Harmony breakdown.