What is Wella Color Charm 6A in other brands?

Professional lines use different tone notation. The table shows equivalent level and tone codes with notes on how each brand pulls.

Is Wella 7N the same as L'Oréal 7N?

No — the same number rarely means the same result. Use pull notes and cross-brand codes rather than assuming labels match.

Level 6 · Ash — translated across professional color lines.

Wella Color Charm 6A
Developer: 20 vol — one-level lift
Wella 6A is a true cool ash — most ashy of the line.
L'Oréal Majirel 6.1
Developer: 20 vol — one-level lift
Majirel 6.1 is more violet-ash — better for neutralizing brassy mediums.
Schwarzkopf Igora Royal 6-1
Developer: 20 vol — one-level lift
Igora 6-1 is blue-based ash, can grab green on porous hair.
Pravana ChromaSilk 6A
Developer: 20 vol — one-level lift
Redken Color Gels 6AB
Developer: 20 vol — one-level lift