There's a range listed here, you'll obviously pick where your OC falls.

Gait: generally agile, occasionally awkward or conversely very lithe

Body Type: generally medium sized, in the ball park of 5-6 feet, bodies are somewhat squishy with breakable bones, muscularity range obese to extremely athletic

Skin Type: color ranges typically ocher in tone, can also range in intensity from translucently pale to as dark as the midnight sky, texture ranges soft and elastic to rough and weathered

Eye Color: usually brown or amber but can also normally range anywhere on the blue-green scale and very rarely red or pale lavender only if albinism is present

Hair Type: usually soft or smooth when healthy, can be brittle and straw-like, slick or oily, straight, frizzy or wavy, or springy/curly

Hair Color: ranges on the ocher scale usually in some variant closer to brown, can also range ashy blond to jet black

Abnormalities: some humans replace rotten teeth with a gold tooth, acquire or are born with ropy discolorations, possess an abundance of freckles, acquire or need a prosthetic limb, have a tress of white/uncolored hair caused by head trauma, have one discolored eye, blindness, deafness, and amazing uniquities.