What does the numbers on hair colour stand for - L'Oréal Professionnel (2024)

What does the numbers on hair colour stand for - L'Oréal Professionnel (1)

What do the numbers of hair colour levels mean? Knowing a few things about how numbers in colour work will help you better understand the options presented to you at your professional hair colour salon.

What are colour levels and how do I find my colour tone?

It all starts with the hair colour levels chart. Here’s how to decipher the numbers on colour charts:

The first number is the base colour and indicates how light or dark the colour is. Level 1 hair colour is black, level 2 hair colour is the second darkest black, 3 is brown/black, level 4 hair colour is dark brown, level 5 hair colour is light brown, level 6 hair colour is dark blond, level 7 hair colour is dark blond, level 8 hair colour is medium blond, 9 is light blond and 10 is white/platinum.

How hair colour levels and tones are used together

After choosing the base of your colour, your professional hair colourist will look at the second hair colour levels with the number that comes after the period mark. This refers to the tone. See further down for a definition of hair tones .1 is Blue, .2 is Violet, .3 is Gold, .4 is Copper, .5 is Mahogany, .6 is Red, .7 is Mat, .8 is Mocha.

If your hair colour is a level 5 hair colour with a tone of .1, you have cool light brown hair, while a level 8 hair colour with a tone of .6 is medium blond with red tones.

This hair colour levels chart also allows your colourist to neutralise the end result. So, to avoid a blond hair colour from turning too warm, they could add more .2 - Violet or .1 - Blue to counteract the yellow or orange tones.

What is "hair colour" according to hairstylists?

While we see a simple hairstyle, professional hair colour stylists see so much more! A multitude of shades and tones that they are able to translate into a recipe of hair colour levels. As well as the numbers in color, the terminology used to describe the different elements of hair colour can get confusing, so here's a mini dictionary to help you understand professional haircolor jargon alongside hair colour levels:

Base colour: The color applied all over (or just at the roots) before the stylist then gets creative with other colors over the top. 2 haircolor, or even 4 haircolor creations give more dimension to the finished look.

Coverage: This refers to how well the haircolor covers grey or white hairs.
Lowlights/highlights: Lowlights are colors darker than the base tone used to create depth, while highlights are lighter than the base tone and bring radiance to the hair.

Tone: Hair colourists divide tones into warm and cool. Warm tones have a red or orange hues to them, while cool tones have blue, purple or green hues. So brunette haircolor, for example, can be cool (ash brown) or warm (mahogany).

How to find your hair colour level

It's important to speak in hair colour level terms, because colour names themselves can be subjective and often differ between brands. The hair colour level chart, however, is universal.
To find out your hair colour level, you can refer to a shade level chart or, to be completely sure, visit a professional hair colour stylist. Their expertise will ensure you are diagnosed with exactly the right level, and from here you can choose the perfect hair colour. Knowing your hair tones will also help you learn what colours suit you best!

Image credits: Getty Images - Prostock-Studio


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What does the numbers on hair colour stand for - L'Oréal Professionnel (2024)

FAQs

What does the numbers on hair colour stand for - L'Oréal Professionnel? ›

The level system is made up of 10 numbers which help determine the depth level of your natural hair. 1 is black, 5 is light brown, 6 is dark blonde, 7 is blonde and 10 is the lightest blonde. Your L'Oréal Professionnel colourist will analyse your hair and assess your natural base colour in-salon. WHAT IS A BASE COLOUR?

What do the numbers on L'Oreal hair dye mean? ›

It all starts with the hair colour numbering system: The first number is the base colour and indicates how light or dark the colour is. 1.0 is black, 5.0 is light brown, 6.0 is dark blonde, 7.0 is medium blonde and 10 is the lightest blonde.

What do the numbers and letters mean in hair color? ›

Ever wonder what the numbers and letters on hair color boxes stand for? Tone is indicated by the letter, while level is indicated by the number.

What does 4.15 mean on hair dye? ›

The first number of a Hair Colour is how Light or Dark the Brown hair dye will be, for example brown shades range from 4, Dark Brown to 6, Light Brown. The second number is the reflect which can be Natural (. 0), Warm (. 3, .

What is the number 7 in hair dye? ›

Among those ten key depths, ranging from 1.0 for Black all the way to 10.0 for Pale Blonde, is 7.0, which represents Medium Blonde. This popular base shade is universally recognised – so much so, that several years ago the big hair colourant corporations attempted to give it its own name of 'Bronde'.

What color is 6N hair color? ›

6N Dark Blonde Permanent Creme Hair Color.

How do I choose Loreal hair color? ›

Let your skin tone guide your hair colour choice

“When your undertones are warm, tawny or peach, try light golden blonde, medium brown hair with golden highlights or dark brown to black hair with warm red shades,” advises Demelo. He also adds that ash tones are the most flattering hair colour for dark skin tones.

What is the difference between L'Oréal casting and excellence? ›

LÓreal Casting Creme Gloss is a semi-permanent hair color range of fashion hair color options. It's perfect for someone looking for a quick makeover. On the other hand, the The LÓreal Excellence Creme products are a permanent hair dye range, perfect for grey coverage.

What does the T stand for in hair color? ›

Many brands don't use any letter to denote blends, so for example, "M51" and "51" usually mean the same thing. Example: Freed'm Silky Braid in T1B/27. T. The "T" stands for "tipped." Colors with a "T" at the beginning are a blend of two or more shades at the top with a solid color down at the ends.

How do you know what level your hair color is? ›

To determine your level, take a section of hair from the crown of your head and hold it out where you can see it, away from the rest of your hair. Then, compare it to our level chart, with level 1 being the darkest (black) and level 10 being the lightest (light blonde).

Is Level 4 or 5 hair color darker? ›

These levels are used to describe how dark or light your hair color is. Level 10 is lightest blond, level 9 is light blond, level 8 is medium blond, level 7 is dark blond, level 6 is light brown, level 5 is medium brown, level 4 is dark brown, level 3 is darkest brown, level 2 is black brown and level 1 is black.

Is the higher number in hair dye darker or lighter? ›

The level system is made up of 10 numbers which help determine the depth level of your natural hair. 1 is black, 5 is light brown, 6 is dark blonde, 7 is blonde and 10 is the lightest blonde.

What does level 10 hair color look like? ›

Level 1 is black and Level 10 is Light Blond. what Level Hair color to do you have? Level 1 is black and Level 10 is Light Blond.

What do the numbers mean on L'Oréal hair color? ›

It all starts with the hair colour numbering system. The first number is the base colour and indicates how light or dark the colour is. 1.0 is black, 5.0 is light brown, 6.0 is dark blonde, 7.0 is medium blonde and 10 is the lightest blonde.

What do letters mean in hair dye? ›

Color Mixes

The first letter is the primary tone and the second letter is the secondary tone, added for dimension. GA - Gold Ash: a blend of gold and ash tones. GC - Gold Copper: a blend of gold and copper tones. NB - Neutral Blue: contains natural and cool tones and underlying blue hues.

What does 10.1 hair dye mean? ›

For example, 7.0 is a Natural Dark Blonde, 7.3 is a Golden Dark Blonde, and 10.1 is a Very Light Ash Blonde. Always check the back of pack to see if it is the right shade for you. If you have dark hair and you want to dye your hair blonde, you will need to bleach first.

What do the numbers mean in hair color developer? ›

Levels of Developer

The most common volumes of developer are 10, 20, 30, and 40 volume. The volume relates to the strength of the developer, meaning the higher the number, the stronger the volume. 10 volume developer is commonly used with toners, while 20 and 30 are two of the volumes recommended for at home use.

What is level 40 hair color? ›

Known to be the strongest developer that makes the biggest impact, 40 Volume lifts up to four levels and lightens hair quickly. It is often used with Satin Bleach to remove dark color pigment from natural hair or with high-lift color to create highlights or vibrant blondes.

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