Human Visibility Scale (opens in new tab)

15-Year-Old Girl: Fully visible 15-Year-Old Boy: In your face! 25-Year-Old Woman: Lookin’ good 25-Year-Old Man: Bro! 35-Year-Old Woman: Partially obscured 35-Year-Old Man: BRO! 45-Year-Old Woman: Oops, sorry, I didn’t see you there 45-Year-Old Man: Loud and clear 55-Year-Old Woman: Foggy 55-Year-Old Man: Still hangin’ in there! 65-Year-Old Woman: Translucent 65-Year-Old Man: How ’bout them Cubs? 75-Year-Old Woman: Invisible 75-Year-Old Man: You’re still around? Looking dapper, bro!