Convert Küül Color System to Wella Professionals Illumina Color
Find the equivalent for each Küül Color System shade in Wella Professionals Illumina Color. 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 | Illumina Color | Name | Match |
|---|---|---|---|---|
| Level 3 | ||||
| 3 | Dark Brown | 4/ | Medium Brown | Approximate |
| Level 4 | ||||
| 4 | Brown | 4/ | Medium Brown | Exact |
| 4.65 | Burgundy | 4/ | Medium Brown | Approximate |
| Level 5 | ||||
| 5 | Light Brown | 5/ | Light Brown | Exact |
| 5.1 | Light Ash Brown | 5/02 | Light Brown Natural Matte | Exact |
| 5.5 | Light Mahogany Brown | 5/43 | Light Brown Red Gold | Approximate |
| 5.31 | Chocolate | 5/7 | Light Brown | Exact |
| 5.45 | Mocha | 5/7 | Light Brown | Exact |
| Level 6 | ||||
| 6 | Dark Blonde | 6/ | Dark Blonde | Exact |
| 6.1 | Dark Ash Blonde | 6/16 | Dark Ash Violet Blonde | Exact |
| 6.11 | Dark Intense Ash Blonde | 6/16 | Dark Ash Violet Blonde | Exact |
| 6.12 | Dark Pearl Ash Blonde | 6/16 | Dark Ash Violet Blonde | Approximate |
| 6.22 | Dark Intense Pearl Blonde | 6/16 | Dark Ash Violet Blonde | Approximate |
| 6.23 | Dark Pearl Gold Blonde | 6/16 | Dark Ash Violet Blonde | Approximate |
| 6.77 | Dark Intense Violet Blonde | 6/16 | Dark Ash Violet Blonde | Approximate |
| 6.32 | Dark Golden Pearl Blonde | 6/37 | Dark Blonde Gold Brown | Exact |
| 6.34 | Dark Golden Copper Blonde | 6/37 | Dark Blonde Gold Brown | Approximate |
| 6.66 | Dark Intense Red Blonde | 6/ | Dark Blonde | Approximate |
| Level 7 | ||||
| 7 | Blonde | 7/ | Medium Blonde | Exact |
| 7.1 | Ash Blonde | 7/81 | Medium Blonde Pearl Ash | Exact |
| 7.11 | Intense Ash Blonde | 7/81 | Medium Blonde Pearl Ash | Exact |
| 7.12 | Pearl Ash Blonde | 7/81 | Medium Blonde Pearl Ash | Approximate |
| 7.22 | Intense Pearl Blonde | 7/81 | Medium Blonde Pearl Ash | Approximate |
| 7.24 | Pearl Copper Blonde | 7/81 | Medium Blonde Pearl Ash | Approximate |
| 7.76 | Reddish Violet Blonde | 7/81 | Medium Blonde Pearl Ash | Approximate |
| 7.3 | Golden Blonde | 7/31 | Medium Gold Ash Blonde | Exact |
| 7.44 | Intense Copper Blonde | 7/31 | Medium Gold Ash Blonde | Approximate |
| 7.64 | Red Copper Blonde | 7/42 | Medium Blonde Red Matte | Exact |
| 7.5 | Mahogany Blonde | 7/42 | Medium Blonde Red Matte | Approximate |
| 7.62 | Pearl Red Blonde | 7/42 | Medium Blonde Red Matte | Exact |
| 7.66 | Intense Red Blonde | 7/42 | Medium Blonde Red Matte | Exact |
| 7.31 | Latte Macchiato | 7/7 | Medium Brown Blonde | Exact |
| 7.35 | Cappuccino | 7/7 | Medium Brown Blonde | Exact |
| Level 8 | ||||
| 8 | Light Blonde | 8/ | Light Blonde | Exact |
| 8.1 | Light Ash Blonde | 8/1 | Light Ash Blonde | Exact |
| 8.11 | Light Intense Ash Blonde | 8/1 | Light Ash Blonde | Exact |
| 8.22 | Light Intense Pearl Blonde | 8/69 | Light Violet Cendre Blonde | Exact |
| 8.3 | Light Golden Blonde | 8/36 | Light Gold Violet Blonde | Exact |
| 8.62 | Light Pearl Red Blonde | 8/05 | Light Natural Mahogany Blonde | Approximate |
| 8.66 | Light Intense Red Blonde | 8/05 | Light Natural Mahogany Blonde | Approximate |
| Level 9 | ||||
| 9 | Very Light Blonde | 9/ | Very Light Blonde | Exact |
| 9.1 | Very Light Ash Blonde | 9/19 | Very Light Ash Cendre Blonde | Exact |
| 9.11 | Very Light Intense Ash Blonde | 9/19 | Very Light Ash Cendre Blonde | Exact |
| 9.9 | Platinum Blonde | 9/19 | Very Light Ash Cendre Blonde | Exact |
| 9.12 | Very Light Pearl Ash Blonde | 9/60 | Very Light Violet Natural Blonde | Exact |
| 9.22 | Very Light Intense Pearl Blonde | 9/60 | Very Light Violet Natural Blonde | Exact |
| 9.33 | Very Light Intense Golden Blonde | 9/03 | Very Light Natural Gold Blonde | Exact |
| 9.66 | Very Light Intense Red Blonde | 9/43 | Very Light Red Gold Blonde | Exact |
| Level 10 | ||||
| 10 | Lightest Blonde | 10/ | Lightest Blonde | Exact |
| 10.1 | Lightest Ash Blonde | 10/1 | Lightest Ash Blonde | Exact |
| 10.11 | Lightest Intense Ash Blonde | 10/1 | Lightest Ash Blonde | Exact |
| 10.22 | Lightest Intense Pearl Blonde | 10/69 | Lightest Violet Cendre Blonde | Exact |
| 10.21 | Lightest Pearl Ash Blonde | 10/69 | Lightest Violet Cendre Blonde | Exact |
| 10.31 | Lightest Golden Ash Blonde | 10/36 | Lightest Gold Violet Blonde | Exact |
No direct equivalent in Illumina Color (4)
These Color System shades have no comparable level-and-reflect shade in Illumina Color. Switching ranges here means adjusting the formula, not swapping one code for another.
- 1 Black
- 1A Blue Black
- 1V Violet Black
- 2 Extra Dark Brown
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 58 Color System shades, 37 exact and 17 approximate in this chart with Illumina Color. For example, Color System's 6 maps to Illumina Color's 6/. Ash reflects cross over best; mahogany ones need more adjustment. 4 shades have no direct equivalent in Illumina Color; 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); Illumina Color uses a slash (7/81 = pearl blonde). The level (1-10) stays the same; what changes when converting is how the reflect is written.
Questions about Color System and Illumina Color
Common questions when converting between these brands
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