Colorimetry tools for hair color professionals
Interactive resources for your daily work at the salon. No sign-up.
Color theory
Neutralization wheel
It came out orange. Which corrector cancels it, and in what ratio, based on the Oswald star.
Hair color brand converter
They arrive with a Wella shade and the salon stocks Redken. Find the match.
Color charts by brand
Every shade of the professional brands, without digging out the paper chart.
Hair color level chart
Which level you start from and how far you can lift without wrecking the hair.
Formulation
Color correction calculator
Which developer, corrector and technique to neutralize the tone you don't want.
Developer to color mix calculator
The exact ratio based on starting level, target level and gray percentage.
Bleach level predictor
Base, volume and time. How far the lift actually goes.
Hair color mixing calculator
The level and reflect you get from mixing two shades, before they hit the bowl.
Toner selector
Bleached blonde pulling yellow. Which toner cleans it up. For levels 7-10.
Service & business
Hair dye amount calculator
How much to mix so you don't run short halfway through the application.
Salon pricing calculator
What to charge counting product, chair time and salon overhead.
Processing time calculator
How long to leave it on based on product, developer and levels of lift.
Touch-up calculator
How often to rebook based on the service, regrowth rate and gray percentage.
Hair color longevity calculator
How many weeks the color holds based on dye type, porosity and care routine.
Diagnosis
For clients
Color analysis quiz: find your season
Place the person in front of you in their color season and see which shades suit them.
Seasonal color palettes
Which shades flatter that skin tone and which ones dull it.
Trending hair colors
What they'll be asking for this season, with the formula alongside.
AI Color Consultation
Describe what you're being asked for and get formula guidance.
AI hair color changer
Let them see it on their own photo before deciding, not halfway through the service.
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