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Convert Wella Professionals Koleston Perfect ME+ to L'Oreal Professionnel Dia Light / Dia Richesse

Find the equivalent for each Wella Professionals Koleston Perfect ME+ 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.

Koleston Perfect ME+ Name Dia Light / Dia Richesse Name Match
Level 4
4/0 Medium Brown 5 Light Brown Approximate
4/00 Medium Brown Intense Natural 5 Light Brown Approximate
4/07 Medium Brown Natural Brown 5 Light Brown Approximate
44/0 Intensive Medium Brown 5 Light Brown Approximate
44/02 Intensive Medium Brown Natural Matte 5 Light Brown Approximate
Level 5
5/0 Light Brown 5 Light Brown Exact
5/00 Light Brown Intense Natural 5 Light Brown Exact
5/05 Light Brown Natural Mahogany 5 Light Brown Close
5/07 Light Brown Natural Brown 5 Light Brown Close
55/0 Intensive Light Brown 5 Light Brown Exact
55/02 Intensive Light Brown Natural Matte 5 Light Brown Close
5/1 Light Ash Brown 5 Light Brown Approximate
5/18 Light Brown Ash Pearl 5 Light Brown Approximate
5/3 Light Golden Brown 5 Light Brown Approximate
5/37 Light Brown Golden Brown 5 Light Brown Approximate
5/82 Light Brown Pearl Matte 5 Light Brown Approximate
5/41 Light Brown Red Ash 5 Light Brown Approximate
5/43 Light Brown Red Golden 5 Light Brown Approximate
5/5 Light Mahogany Brown 5 Light Brown Approximate
55/46 Intensive Light Brown Red Violet 5 Light Brown Approximate
55/55 Intensive Light Brown Intense Mahogany 5 Light Brown Approximate
55/65 Intensive Light Brown Violet Mahogany 5 Light Brown Approximate
55/66 Intensive Light Brown Intense Violet 5 Light Brown Approximate
5/7 Light Brown Brown 5 Light Brown Approximate
5/71 Light Brown Brown Ash 5 Light Brown Approximate
5/73 Light Brown Brown Golden 5 Light Brown Approximate
5/75 Light Brown Brown Mahogany 5 Light Brown Approximate
5/77 Light Brown Intense Brown 5 Light Brown Approximate
Level 6
6/0 Dark Blonde 6 Dark Blonde Exact
6/00 Dark Blonde Intense Natural 6 Dark Blonde Exact
6/07 Dark Blonde Natural Brown 6 Dark Blonde Close
66/0 Intensive Dark Blonde 6 Dark Blonde Exact
66/02 Intensive Dark Blonde Natural Matte 6 Dark Blonde Close
6/1 Dark Ash Blonde 6.1 Dark Ash Blonde Exact
6/3 Dark Golden Blonde 6.3 Dark Golden Blonde Exact
6/91 Dark Blonde Cendré Ash 6.1 Dark Ash Blonde Close
6/97 Dark Blonde Cendré Brown 6.1 Dark Ash Blonde Close
6/41 Dark Blonde Red Ash 6 Dark Blonde Approximate
6/43 Dark Blonde Red Golden 6 Dark Blonde Approximate
6/45 Dark Blonde Red Mahogany 6 Dark Blonde Approximate
6/5 Dark Mahogany Blonde 6 Dark Blonde Approximate
66/44 Intensive Dark Blonde Intense Red 6 Dark Blonde Approximate
66/46 Intensive Dark Blonde Red Violet 6 Dark Blonde Approximate
66/55 Intensive Dark Blonde Intense Mahogany 6 Dark Blonde Approximate
66/56 Intensive Dark Blonde Mahogany Violet 6 Dark Blonde Approximate
6/7 Dark Brown Blonde 6.1 Dark Ash Blonde Approximate
6/71 Dark Blonde Brown Ash 6.1 Dark Ash Blonde Approximate
6/73 Dark Blonde Brown Golden 6.1 Dark Ash Blonde Approximate
6/74 Dark Blonde Brown Red 6.1 Dark Ash Blonde Approximate
6/75 Dark Blonde Brown Mahogany 6.1 Dark Ash Blonde Approximate
6/77 Dark Blonde Intense Brown 6.1 Dark Ash Blonde Approximate
Level 7
7/0 Medium Blonde 7 Medium Blonde Exact
7/00 Medium Blonde Intense Natural 7 Medium Blonde Exact
7/01 Medium Blonde Natural Ash 7 Medium Blonde Close
7/03 Medium Blonde Natural Golden 7 Medium Blonde Close
7/05 Medium Blonde Natural Mahogany 7 Medium Blonde Close
7/07 Medium Blonde Natural Brown 7 Medium Blonde Close
77/0 Intensive Medium Blonde 7 Medium Blonde Exact
77/02 Intensive Medium Blonde Natural Matte 7 Medium Blonde Close
7/1 Medium Ash Blonde 7.1 Medium Ash Blonde Exact
7/17 Medium Blonde Ash Brown 7.1 Medium Ash Blonde Close
7/18 Medium Blonde Ash Pearl 7.1 Medium Ash Blonde Close
7/3 Medium Golden Blonde 7.3 Medium Golden Blonde Exact
7/31 Medium Blonde Golden Ash 7.3 Medium Golden Blonde Close
7/36 Medium Blonde Golden Violet 7.3 Medium Golden Blonde Close
7/37 Medium Blonde Golden Brown 7.3 Medium Golden Blonde Close
7/38 Medium Blonde Golden Pearl 7.3 Medium Golden Blonde Close
7/34 Medium Blonde Golden Red 7.3 Medium Golden Blonde Close
7/43 Medium Blonde Red Golden 7.43 Medium Copper Golden Blonde Approximate
7/47 Medium Blonde Red Brown 7.43 Medium Copper Golden Blonde Approximate
77/43 Intensive Medium Blonde Red Golden 7.43 Medium Copper Golden Blonde Approximate
77/44 Intensive Medium Blonde Intense Red 7.43 Medium Copper Golden Blonde Approximate
77/46 Intensive Medium Blonde Red Violet 7.43 Medium Copper Golden Blonde Approximate
7/7 Medium Brown Blonde 7.1 Medium Ash Blonde Approximate
7/71 Medium Blonde Brown Ash 7.1 Medium Ash Blonde Approximate
7/73 Medium Blonde Brown Golden 7.1 Medium Ash Blonde Approximate
7/75 Medium Blonde Brown Mahogany 7.1 Medium Ash Blonde Approximate
7/77 Medium Blonde Intense Brown 7.1 Medium Ash Blonde Approximate
Level 8
8/0 Light Blonde 8 Light Blonde Exact
8/00 Light Blonde Intense Natural 8 Light Blonde Exact
8/01 Light Blonde Natural Ash 8 Light Blonde Close
8/03 Light Blonde Natural Golden 8 Light Blonde Close
8/04 Light Blonde Natural Red 8 Light Blonde Close
8/07 Light Blonde Natural Brown 8 Light Blonde Close
88/0 Intensive Light Blonde 8 Light Blonde Exact
88/02 Intensive Light Blonde Natural Matte 8 Light Blonde Close
8/1 Light Ash Blonde 8.1 Light Ash Blonde Exact
8/3 Light Golden Blonde 8.3 Light Golden Blonde Exact
8/38 Light Blonde Golden Pearl 8.3 Light Golden Blonde Close
8/96 Light Blonde Cendré Violet 8.1 Light Ash Blonde Close
8/97 Light Blonde Cendré Brown 8.1 Light Ash Blonde Close
8/34 Light Blonde Golden Red 8.3 Light Golden Blonde Close
8/41 Light Blonde Red Ash 8 Light Blonde Approximate
8/43 Light Blonde Red Golden 8 Light Blonde Approximate
8/45 Light Blonde Red Mahogany 8 Light Blonde Approximate
88/43 Intensive Light Blonde Red Golden 8 Light Blonde Approximate
8/7 Light Brown Blonde 8.1 Light Ash Blonde Approximate
8/71 Light Blonde Brown Ash 8.1 Light Ash Blonde Approximate
8/73 Light Blonde Brown Golden 8.1 Light Ash Blonde Approximate
8/74 Light Blonde Brown Red 8.1 Light Ash Blonde Approximate
Level 9
9/0 Very Light Blonde 9 Very Light Blonde Exact
9/00 Very Light Blonde Intense Natural 9 Very Light Blonde Exact
9/01 Very Light Blonde Natural Ash 9 Very Light Blonde Close
9/03 Very Light Blonde Natural Golden 9 Very Light Blonde Close
9/04 Very Light Blonde Natural Red 9 Very Light Blonde Close
9/05 Very Light Blonde Natural Mahogany 9 Very Light Blonde Close
99/0 Intensive Very Light Blonde 9 Very Light Blonde Exact
9/1 Very Light Ash Blonde 9.1 Very Light Ash Blonde Exact
9/16 Very Light Blonde Ash Violet 9.1 Very Light Ash Blonde Close
9/17 Very Light Blonde Ash Brown 9.1 Very Light Ash Blonde Close
9/3 Very Light Golden Blonde 9.3 Very Light Golden Blonde Exact
9/31 Very Light Blonde Golden Ash 9.3 Very Light Golden Blonde Close
9/38 Very Light Blonde Golden Pearl 9.3 Very Light Golden Blonde Close
9/8 Very Light Pearl Blonde 9.1 Very Light Ash Blonde Exact
9/81 Very Light Blonde Pearl Ash 9.1 Very Light Ash Blonde Close
9/96 Very Light Blonde Cendré Violet 9.1 Very Light Ash Blonde Close
9/97 Very Light Blonde Cendré Brown 9.1 Very Light Ash Blonde Close
99/44 Intensive Very Light Blonde Intense Red 9 Very Light Blonde Approximate
9/7 Very Light Brown Blonde 9.1 Very Light Ash Blonde Approximate
9/73 Very Light Blonde Brown Golden 9.1 Very Light Ash Blonde Approximate
Level 10
10/0 Lightest Blonde 10 Lightest Blonde Exact
10/04 Lightest Blonde Natural Red 10 Lightest Blonde Close
10/1 Lightest Ash Blonde 10 Lightest Blonde Approximate
10/16 Lightest Blonde Ash Violet 10 Lightest Blonde Approximate
10/3 Lightest Golden Blonde 10 Lightest Blonde Approximate
10/31 Lightest Blonde Golden Ash 10 Lightest Blonde Approximate
10/38 Lightest Blonde Golden Pearl 10 Lightest Blonde Approximate
10/8 Lightest Pearl Blonde 10 Lightest Blonde Approximate
10/86 Lightest Blonde Pearl Violet 10 Lightest Blonde Approximate
10/95 Lightest Blonde Cendré Mahogany 10 Lightest Blonde Approximate
10/96 Lightest Blonde Cendré Violet 10 Lightest Blonde Approximate
10/97 Lightest Blonde Cendré Brown 10 Lightest Blonde Approximate

No direct equivalent in Dia Light / Dia Richesse (20)

These Koleston Perfect ME+ 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.

  • 2/0 Black
  • 3/0 Dark Brown
  • 3/00 Dark Brown Intense Natural
  • 33/0 Intensive Dark Brown
  • 2/8 Blue Black
  • 4/3 Medium Golden Brown
  • 4/82 Medium Brown Pearl Matte
  • 33/66 Intensive Dark Brown Intense Violet
  • 44/65 Intensive Medium Brown Violet Mahogany
  • 4/75 Medium Brown Brown Mahogany
  • 4/77 Medium Brown Intense Brown
  • 12/0 Special Blonde
  • 12/07 Special Blonde Natural Brown
  • 12/1 Special Blonde Ash
  • 12/11 Special Blonde Intense Ash
  • 12/16 Special Blonde Ash Violet
  • 12/61 Special Blonde Violet Ash
  • 12/81 Special Blonde Pearl Ash
  • 12/89 Special Blonde Pearl Cendré
  • 12/96 Special Blonde Cendré Violet

Heads up: Koleston Perfect ME+ 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 152 Koleston Perfect ME+ shades, 25 exact, 40 close and 67 approximate in this chart with Dia Light / Dia Richesse. For example, Koleston Perfect ME+'s 6/0 maps to Dia Light / Dia Richesse's 6. Natural reflects cross over best; matte ones need more adjustment. 20 shades have no direct equivalent in Dia Light / Dia Richesse; those cases need a formula adjustment, not a code swap.

Koleston Perfect ME+ writes the reflect with a slash (7/1 = medium ash blonde); Dia Light / Dia Richesse uses a dot (7.1 = ash blonde). The level (1-10) stays the same; what changes when converting is how the reflect is written.

We answer your questions

Questions about Koleston Perfect ME+ and Dia Light / Dia Richesse

Common questions when converting between these brands

Of the 152 Koleston Perfect ME+ shades, 25 have an exact equivalent in Dia Light / Dia Richesse, 40 close, 67 approximate and 20 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.

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