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Convert Küül Color System to Goldwell Topchic

Find the equivalent for each Küül Color System shade in Goldwell Topchic. Complete chart with levels, reflects, and match confidence.

Remember that equivalences are approximate. Each brand has proprietary pigments and bases that produce slightly different results. We always recommend doing a strand test when switching brands.

Color System Name Topchic Name Match
Level 1
1 Black 2N Black Approximate
1A Blue Black 2N Black Approximate
Level 2
2 Extra Dark Brown 2N Black Exact
Level 3
3 Dark Brown 3N Dark Brown Exact
Level 4
4 Brown 4N Medium Brown Exact
4.65 Burgundy 4N Medium Brown Approximate
Level 5
5 Light Brown 5N Light Brown Exact
5.1 Light Ash Brown 5N Light Brown Approximate
5.5 Light Mahogany Brown 5R Light Red Brown Approximate
5.31 Chocolate 5N Light Brown Approximate
5.45 Mocha 5N Light Brown Approximate
Level 6
6 Dark Blonde 6N Dark Blonde Exact
6.1 Dark Ash Blonde 6A Dark Ash Blonde Exact
6.11 Dark Intense Ash Blonde 6A Dark Ash Blonde Exact
6.12 Dark Pearl Ash Blonde 6A Dark Ash Blonde Approximate
6.22 Dark Intense Pearl Blonde 6A Dark Ash Blonde Approximate
6.23 Dark Pearl Gold Blonde 6A Dark Ash Blonde Approximate
6.77 Dark Intense Violet Blonde 6A Dark Ash Blonde Approximate
6.34 Dark Golden Copper Blonde 6K Dark Copper Blonde Exact
6.66 Dark Intense Red Blonde 6R Dark Red Blonde Exact
Level 7
7 Blonde 7N Medium Blonde Exact
7.1 Ash Blonde 7A Medium Ash Blonde Exact
7.11 Intense Ash Blonde 7A Medium Ash Blonde Exact
7.12 Pearl Ash Blonde 7A Medium Ash Blonde Approximate
7.22 Intense Pearl Blonde 7A Medium Ash Blonde Approximate
7.76 Reddish Violet Blonde 7A Medium Ash Blonde Approximate
7.3 Golden Blonde 7G Medium Golden Blonde Exact
7.44 Intense Copper Blonde 7K Medium Copper Blonde Exact
7.64 Red Copper Blonde 7K Medium Copper Blonde Approximate
7.5 Mahogany Blonde 7N Medium Blonde Approximate
7.62 Pearl Red Blonde 7K Medium Copper Blonde Approximate
7.66 Intense Red Blonde 7K Medium Copper Blonde Approximate
7.31 Latte Macchiato 7A Medium Ash Blonde Approximate
7.35 Cappuccino 7A Medium Ash Blonde Approximate
Level 8
8 Light Blonde 8N Light Blonde Exact
8.1 Light Ash Blonde 8A Light Ash Blonde Exact
8.11 Light Intense Ash Blonde 8A Light Ash Blonde Exact
8.22 Light Intense Pearl Blonde 8A Light Ash Blonde Approximate
8.3 Light Golden Blonde 8G Light Golden Blonde Exact
8.62 Light Pearl Red Blonde 8N Light Blonde Approximate
8.66 Light Intense Red Blonde 8N Light Blonde Approximate
Level 9
9 Very Light Blonde 9N Very Light Blonde Exact
9.1 Very Light Ash Blonde 9A Very Light Ash Blonde Exact
9.11 Very Light Intense Ash Blonde 9A Very Light Ash Blonde Exact
9.9 Platinum Blonde 9A Very Light Ash Blonde Exact
9.12 Very Light Pearl Ash Blonde 9A Very Light Ash Blonde Approximate
9.22 Very Light Intense Pearl Blonde 9A Very Light Ash Blonde Approximate
9.33 Very Light Intense Golden Blonde 9N Very Light Blonde Approximate
9.66 Very Light Intense Red Blonde 9N Very Light Blonde Approximate
Level 10
10 Lightest Blonde 10N Lightest Blonde Exact
10.1 Lightest Ash Blonde 10N Lightest Blonde Approximate
10.11 Lightest Intense Ash Blonde 10N Lightest Blonde Approximate
10.22 Lightest Intense Pearl Blonde 10N Lightest Blonde Approximate
10.21 Lightest Pearl Ash Blonde 10N Lightest Blonde Approximate
10.31 Lightest Golden Ash Blonde 10N Lightest Blonde Approximate

No direct equivalent in Topchic (1)

These Color System shades have no comparable level-and-reflect shade in Topchic. Switching ranges here means adjusting the formula, not swapping one code for another.

  • 1V Violet Black

How to read the match: Exact = same level and same reflect · Close = same level, same reflect family · Approximate = same level in natural, or adjacent level with the same reflect. Hover each badge for that row's reason.

Of the 56 Color System shades, 23 exact and 32 approximate in this chart with Topchic. For example, Color System's 6 maps to Topchic's 6N. Copper reflects cross over best; matte ones need more adjustment. 1 shade has no direct equivalent in Topchic; those cases need a formula adjustment, not a code swap.

Color System writes the reflect with a dot (7.44 = intense copper blonde; .2 = pearl/iridescent, .7 = violet); Topchic uses a letter after the level (7N = medium natural blonde). The level (1-10) stays the same; what changes when converting is how the reflect is written.

We answer your questions

Questions about Color System and Topchic

Common questions when converting between these brands

Of the 56 Color System shades, 23 have an exact equivalent in Topchic, 32 approximate and 1 with no direct equivalent. The level (1-10) is universal; what varies is the reflect.

No. Equivalences are approximate because each brand uses different pigments, bases, and concentrations. The level (1-10) is universal, but the reflect result may vary. We always recommend doing a strand test when switching brands.

It's not recommended. Each brand formulates its products with specific chemistry (pH, alkalizing agent, pigment system). Mixing brands can create unpredictable reactions and unwanted results. Always use color and developer from the same brand.

The tool shows you the closest available shade. If you need a very specific result, you can combine two shades from the target brand (for example, mixing a natural with an ash to get a soft ash). Blendsor calculates these mixes automatically.

Have more questions?

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