siOsi
Free color + makeup analysis from one selfie
What it does
Color analysis today means a 5-question quiz that can't actually see you, or a $200–500 in-person session where two analysts often disagree. siOsi reads your actual photo: 12-season color type, undertone, gold vs silver, hair-color skintone harmony. Free, instant, no signup. Then it does what no other tool does — runs your makeup through 15 diagnostic labs: flash white-cast, foundation oxidation, coverage, longevity. 9 languages. No signup for your first analysis.
Free AI analysis: Skin-Tone Hair, color, undertone & makeup. 12-season type, best hair shade, 15 expert labs. No signup. 9 languages.
siOsi Change language Know Before You Glow Get instant AI Skin-Tone Hair, color & makeup analysis. Tested on zillion photos. Used by pro beauticians. Upload ANY makeup photo – yours, a celebrity's red carpet moment, your friend's perfect date night look, that influencer everyone's copying, an Instagram or Pinterest screenshot. beauty influencers of 2025 Net worth, cost per post, follower counts and the drama, for 60 of the biggest names in beauty. Everything else on siOsi Color analysis guides with tests you can run, makeup tutorials, longform essays on beauty and AI, and the Top 60 influencer ranking. The 12 seasons, undertone and contrast – with at-home tests you can actually run, and an…from siosi.me
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
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