Convert Küül Color System to L'Oreal Professionnel Dia Light / Dia Richesse
Find the equivalent for each Küül Color System shade in L'Oreal Professionnel Dia Light / Dia Richesse. 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 | Dia Light / Dia Richesse | Name | Match |
|---|---|---|---|---|
| Level 4 | ||||
| 4 | Brown | 5 | Light Brown | Approximate |
| Level 5 | ||||
| 5 | Light Brown | 5 | Light Brown | Exact |
| 5.1 | Light Ash Brown | 5 | Light Brown | Approximate |
| 5.5 | Light Mahogany Brown | 5 | Light Brown | Approximate |
| 5.31 | Chocolate | 5 | Light Brown | Approximate |
| 5.45 | Mocha | 5 | Light Brown | Approximate |
| Level 6 | ||||
| 6 | Dark Blonde | 6 | Dark Blonde | Exact |
| 6.1 | Dark Ash Blonde | 6.1 | Dark Ash Blonde | Exact |
| 6.11 | Dark Intense Ash Blonde | 6.1 | Dark Ash Blonde | Exact |
| 6.12 | Dark Pearl Ash Blonde | 6.1 | Dark Ash Blonde | Approximate |
| 6.22 | Dark Intense Pearl Blonde | 6.1 | Dark Ash Blonde | Approximate |
| 6.23 | Dark Pearl Gold Blonde | 6.1 | Dark Ash Blonde | Approximate |
| 6.77 | Dark Intense Violet Blonde | 6.1 | Dark Ash Blonde | Approximate |
| 6.34 | Dark Golden Copper Blonde | 6.3 | Dark Golden Blonde | Approximate |
| 6.66 | Dark Intense Red Blonde | 6 | Dark Blonde | Approximate |
| Level 7 | ||||
| 7 | Blonde | 7 | Medium Blonde | Exact |
| 7.1 | Ash Blonde | 7.1 | Medium Ash Blonde | Exact |
| 7.11 | Intense Ash Blonde | 7.1 | Medium Ash Blonde | Exact |
| 7.12 | Pearl Ash Blonde | 7.1 | Medium Ash Blonde | Approximate |
| 7.22 | Intense Pearl Blonde | 7.1 | Medium Ash Blonde | Approximate |
| 7.76 | Reddish Violet Blonde | 7.1 | Medium Ash Blonde | Approximate |
| 7.3 | Golden Blonde | 7.3 | Medium Golden Blonde | Exact |
| 7.44 | Intense Copper Blonde | 7.43 | Medium Copper Golden Blonde | Close |
| 7.64 | Red Copper Blonde | 7.43 | Medium Copper Golden Blonde | Approximate |
| 7.5 | Mahogany Blonde | 7 | Medium Blonde | Approximate |
| 7.62 | Pearl Red Blonde | 7.43 | Medium Copper Golden Blonde | Approximate |
| 7.66 | Intense Red Blonde | 7.43 | Medium Copper Golden Blonde | Approximate |
| 7.31 | Latte Macchiato | 7.1 | Medium Ash Blonde | Approximate |
| 7.35 | Cappuccino | 7.1 | Medium Ash Blonde | Approximate |
| 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 | 8.1 | Light Ash Blonde | Approximate |
| 8.3 | Light Golden Blonde | 8.3 | Light Golden Blonde | Exact |
| 8.62 | Light Pearl Red Blonde | 8 | Light Blonde | Approximate |
| 8.66 | Light Intense Red Blonde | 8 | Light Blonde | Approximate |
| Level 9 | ||||
| 9 | Very Light Blonde | 9 | Very Light Blonde | Exact |
| 9.1 | Very Light Ash Blonde | 9.1 | Very Light Ash Blonde | Exact |
| 9.11 | Very Light Intense Ash Blonde | 9.1 | Very Light Ash Blonde | Exact |
| 9.9 | Platinum Blonde | 9.1 | Very Light Ash Blonde | Exact |
| 9.12 | Very Light Pearl Ash Blonde | 9.1 | Very Light Ash Blonde | Approximate |
| 9.22 | Very Light Intense Pearl Blonde | 9.1 | Very Light Ash Blonde | Approximate |
| 9.33 | Very Light Intense Golden Blonde | 9.3 | Very Light Golden Blonde | Exact |
| 9.66 | Very Light Intense Red Blonde | 9 | Very Light Blonde | Approximate |
| Level 10 | ||||
| 10 | Lightest Blonde | 10 | Lightest Blonde | Exact |
| 10.1 | Lightest Ash Blonde | 10 | Lightest Blonde | Approximate |
| 10.11 | Lightest Intense Ash Blonde | 10 | Lightest Blonde | Approximate |
| 10.22 | Lightest Intense Pearl Blonde | 10 | Lightest Blonde | Approximate |
| 10.21 | Lightest Pearl Ash Blonde | 10 | Lightest Blonde | Approximate |
| 10.31 | Lightest Golden Ash Blonde | 10 | Lightest Blonde | Approximate |
No direct equivalent in Dia Light / Dia Richesse (6)
These Color System shades have no comparable level-and-reflect shade in Dia Light / Dia Richesse. 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
- 3 Dark Brown
- 4.65 Burgundy
Heads up: Color System is a permanent color and Dia Light / Dia Richesse is demi. Coverage, longevity and the final result will differ: adjust the service, not just the shade.
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, 18 exact, 1 close and 31 approximate in this chart with Dia Light / Dia Richesse. For example, Color System's 6 maps to Dia Light / Dia Richesse's 6. Natural reflects cross over best; matte ones need more adjustment. 6 shades have no direct equivalent in Dia Light / Dia Richesse; 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); Dia Light / Dia Richesse uses a dot (7.1 = ash blonde). Both brands write the reflect in a similar way, so reading the code across is straightforward.
Questions about Color System and Dia Light / Dia Richesse
Common questions when converting between these brands
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