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Equivalences across 11 brands

Level 6 Red (/6)

Dark Blonde Red — code comparison across 11 professional brands.

Brand / Line
Code
Name
Type
6.6
Dark Red Blonde
Permanent
6R
Dark Red Blonde
Permanent
6NR
Dark Natural Red Blonde
Permanent
6R
Dark Red Blonde
Permanent
6.6
Dark Red Blonde
Permanent
6R
Dark Red Blonde
Permanent
6RO
Dark Red Blonde
Permanent
6.6
Dark Red Blonde
Permanent
06RB
Dark Red Brown Blonde
Demi-permanent
6-88
Dark Red Extra Blonde
Permanent

All codes represent the same level (6) and reflect (red). Chemical formulation differs between brands — results may vary slightly.

Level 6 Red: what it means

Level 6 corresponds to a dark blonde on the universal colorimetry scale (1 = black, 10 = lightest blonde). It measures the lightness or darkness of hair, independent of the reflect.

The red (.6) reflect is the most intense and vibrant. It adds a pure red undertone creating striking, high-personality results. Requires frequent maintenance as red is the pigment that fades fastest.

Each brand codes level and reflect differently. The table above shows how the major professional brands name this same shade: level 6, red reflect.

We answer your questions

Questions about level 6 red

Brand equivalences

Each brand uses its own naming system. For example, a level 6 red is 6.6 in Evolution of the Color, 6R in Topchic, 6NR in LumiShine Permanent Creme Color, 6R in Kenra Color, 6.6 in Majirel, 6R in SoColor Pre-Bonded, 6RO in The Color, 6.6 in ChromaSilk, 06RB in Shades EQ Gloss, 6.6 in Revlonissimo Colorsmetique, 6-88 in Igora Royal. Although codes differ, they all represent the same level and reflect.

Level and reflect equivalences are a useful reference, but not identical. Each brand has its own chemical formulation, pigments and technology. Two "equivalent" codes will produce similar but not identical results. Factors like natural base, porosity and color history affect the final outcome.

Generally yes. If you maintain the same level and reflect, the result will be very similar. However, a strand test is recommended when switching brands for the first time, as formulation differences can produce slightly different nuances.

These tables show the basic equivalent.
Blendsor converts with 70+ variables.

Porosity, history, natural base, gray percentage and hair type. A real conversion, not just a number.

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