Doesn't reduce cleanly to one single contrast level — genuinely common, and treated here as its own category rather than forced into low/medium/high.
Contrast level is a description of a visual relationship, not a ranking — no contrast level is presented here as more attractive or more correct than another.
Contrast level varies enormously between individuals within any broad group — hair colour, eye colour and skin tone combine in many different ways, and no demographic shares one uniform contrast pattern.
Experimentation tends to be more useful than a single fixed rule, since different pairings pull in different directions.
Try adjusting one accessory at a time (jewellery, then eyewear) to see which specific pairing has the most visible effect.
No single default direction — comparison is the most useful practical approach.
Mixed contrast means different pairs of features give different answers: hair and skin may be far apart in lightness while eyes and hair sit close, or the reverse. A single low, medium or high label averages these and loses exactly the information that matters, because a garment's effect depends on which feature it sits next to. A collar sits against the jaw and hair; eyewear sits against the eyes and brows. Treating each pair separately — and remembering that hue and saturation contrast are separate from lightness — explains why some clothing changes the face's balance far more than others.
How to check: Crop a greyscale daylight photo into pairs — hair with skin, eyes with brows — and compare each pair's lightness gap on its own.
Sources: CIE 015:2018 Colorimetry, 4th edition; Simultaneous Color Contrast Increments with Complexity and Identity of the Target Stimulus (Grasso et al., Life 15:257, 2025)