The colour journal.
Practical guides to Wella colour — reading the numbering system, choosing developers and ratios, covering grey, toning and picking the right range. Written for the chair, not the textbook.
How to read Wella colour numbers: the depth & tone system explained
Once you can read a Wella code, the whole chart opens up. Here’s the depth/tone system in plain English, with worked examples.
Range guideKoleston Perfect vs Illumina Color: which Wella permanent should you use?
Both are permanent Wella colours, but they’re built for different priorities. Here’s how to choose between coverage and luminosity.
How-toWella developer guide: volumes (6%, 9%, 12%) and mixing ratios
Which Welloxon Perfect volume for which job, and the typical mixing ratios for Koleston, Illumina, Color Touch and Blondor.
TechniqueHow to cover grey hair with Wella (without it fading or going flat)
Solid, natural-looking grey coverage comes down to the right base, the right developer and a little extra natural pigment.
Range guideDemi vs permanent: where Color Touch fits in
Color Touch is Wella’s demi-permanent — no ammonia, no harsh regrowth line. Here’s when to choose it over a permanent.
Know the shade you need?
Tap any swatch on the chart to build a colour list and request a trade quote.