
Paint chips, also called colour samples, are small, heavyweight pieces of paper that are coloured to a specific shade of paint. They are usually available for free at paint stores and are used to help customers choose the paint colour they will be happiest with. Paint chips can also be used to match colours with other aspects of a room, such as furniture, rugs, or decor. The numbers on a paint chip are used to identify the paint colour and unlock a recipe for the paint store staff to mix the paint. The first number in the sequence represents the colour's hue, the letter represents where the colour falls on the colour wheel, and the second number represents the colour's light reflectance value (LRV) or chroma, which indicates how light or dark the colour is.
| Characteristics | Values |
|---|---|
| Color family classification | Represented by a letter in an oval, e.g. B for blue |
| Hue | Represented by a number, e.g. 50 for the middle of the Blue-Green hue family |
| Light reflectance value (LRV) | Represented by a number, e.g. 76, where 0 is pure black and 100 is pure white |
| Chroma (intensity) | Represented by a number, e.g. 068, where lower numbers are less intense and closer to neutral grey |
| RGB value | A method of color-coding shades, with each of the three colors (red, green, and blue) given a number value between 0 and 255 |
| Base paint | The foundation of any color, with each manufacturer using a different numbering system |
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What You'll Learn

The first number represents the hue
The first number on a paint chip represents the hue of the paint colour. For example, in the paint chip for Snow Shadow Blue, the number "50" is the first number, indicating that it is in the middle of the Blue Green hue family. A lower number would indicate a hue closer to green, while a higher number would indicate a hue closer to blue.
The hue is the colour family or category to which the paint colour belongs. For example, the blue family includes a range of shades that may appear more green or turquoise. The hue is determined by the specific combination of pigments used to create the paint colour.
Paint chips typically have a letter and number code that identifies the hue and its intensity. The letter represents the colour family, while the number indicates where the specific colour falls within that hue category. This coding system helps to differentiate between similar colours and provides a precise reference for paint manufacturers and customers.
The Master Palette Colour System is an example of a standardised colour notation system that uses hue families. It provides consistent colour notations, allowing for accurate comparisons between different colours. This system is used by major paint retailers like Home Depot, Glidden, and Sherwin Williams.
The hue indicated on a paint chip is an essential piece of information. It ensures that customers receive the exact paint colour they desire and enables paint store staff to mix the correct recipe of pigments to achieve that hue.
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Letters represent the colour wheel position
Paint chips, also known as colour samples, are small, heavyweight pieces of paper that are used to help customers choose the paint colour they will be happiest with. They are usually double-sided, with one side coloured completely in the shade of paint and the other side containing useful information such as the shade name and the number the company uses to identify the paint colour.
The letters and numbers on a paint chip provide specific information about the colour. The letters represent the colour wheel position, or the colour family classification. For example, in the paint colour Snow Shadow Blue, the letter "B" identifies the chip as a member of the blue family.
The numbers on a paint chip can be further broken down to understand the specific colour. The first set of numbers represents the hue, or the colour's position within the hue. In the case of "Snow Shadow Blue", "50BG" indicates that it is in the Blue-Green hue family, with "50" meaning it is in the middle of the Blue-Green hue. The second set of numbers represents the light reflectance value (LRV) or the chroma (intensity) of the colour. In "Snow Shadow Blue", "76" represents the LRV, indicating how light or dark the colour is, while "068" represents the chroma.
Paint chips are an essential tool for interior painting as they allow customers to see how a paint colour will look in their space without the commitment of purchasing gallons of paint. By taking home paint chips, customers can match colours to existing items in their space and find complementary colours for accent walls.
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The second number represents the hue's shade
Paint chips, also called colour samples, are small, heavyweight pieces of paper that are coloured to a specific shade of paint. They are useful when planning to repaint a space, as they allow you to see how the shade looks in your home without the commitment of buying gallons of paint.
The second number on a paint chip represents the hue's shade. For example, in the paint chip "50BG 76/068", the "50" indicates that the colour is in the middle of the Blue Green hue family. A "00" would mean that the colour is closest to the Green hue, while a "99" would mean that it is closest to Blue. The numbers fall between 0 and 99.
The first number in the sequence, meanwhile, represents the colour's hue family. In the example above, "50BG", the "BG" indicates that the colour is in the Blue Green hue family.
The third number represents the colour's light reflectance value (LRV), which indicates how light or dark the colour is. In the example above, "76" is the LRV, meaning the colour is neither too light nor too dark. A higher number would indicate a lighter colour, while a lower number would indicate a darker colour.
The final number represents the colour's chroma, or intensity. In the example above, "068" is the chroma, meaning the colour is a relatively intense shade. A lower number would indicate a less intense colour, closer to neutral grey, while a higher number would indicate a brighter, more intense shade.
These numbers can be very useful when choosing a paint colour, as they provide specific information about the colour's hue, shade, intensity, and lightness or darkness. By comparing these numbers, it is possible to find the perfect shade to fit your vision and to ensure that it will complement the existing items in the room.
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The third number represents chroma
Paint chips, also known as colour samples, are small, heavyweight pieces of paper that are coloured to a specific shade of paint. They are useful when planning to repaint walls, as they allow customers to see how a shade looks in their home without the commitment of purchasing paint.
The third number on a paint chip represents chroma, which is the intensity of a colour. Less intense colours are closer to a neutral grey, while full chroma colours are brighter and more intense. A higher chroma number indicates a more intense colour. For example, in the paint chip for Snow Shadow Blue, the number 068 represents the chroma.
The other numbers on a paint chip also carry significance. The first number represents the colour's hue, indicating where the colour falls within its hue family. The second number represents the light reflectance value (LRV) of the colour, indicating its lightness or darkness, with 0 being pure black and higher numbers being lighter.
Additionally, the letters on a paint chip indicate the colour family classification. For instance, the letter "B" denotes the blue family. Paint chips may also include the RGB value on the back, indicating the amount of red, green, and blue in the shade.
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LRV indicates a colour's depth
LRV, or Light Reflectance Value, is a measurement that indicates how much light a colour reflects. This is represented on a scale of 0 to 100, with 0 being pure black and 100 being pure white. The higher the LRV, the more light is reflected, and the lower the LRV, the less light is reflected. For example, a colour with an LRV of 10 will absorb a lot of light, while a colour with an LRV of 90 will reflect almost all light.
LRV is an important consideration when choosing paint colours, as it can affect the perceived depth of a colour. A colour with a low LRV will appear darker and have less depth, while a colour with a high LRV will appear lighter and have more depth. For instance, Sherwin Williams' Aesthetic White has an LRV of 73, making it a darker shade of off-white, while their Network Gray, with an LRV of 37, falls in the medium range and reflects less light.
The lighting conditions of a space also play a significant role in how an LRV will manifest. A room with an abundance of natural light can make a paint colour appear lighter than its LRV would suggest. Conversely, a poorly lit room can cause a colour with a medium-range LRV to appear flat and dull, especially in the case of neutral colours. Therefore, it is recommended to test paint samples in the intended space to observe how the colour reacts to the lighting conditions.
In summary, LRV is a critical factor in understanding a colour's depth and light reflectance properties. By considering the LRV in conjunction with the lighting conditions of a space, one can make informed decisions about paint choices and achieve the desired aesthetic outcomes.
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Frequently asked questions
The numbers on a paint chip are used by paint store staff to identify the recipe for the paint, including the base paint and the colourants used. The numbers are not always consistent across brands, so it can be difficult to get an exact colour match when using another brand's ingredients.
The letters on a paint chip indicate the colour family classification. For example, "B" identifies the chip as part of the blue family.
The numbers after the letter on a paint chip represent the hue and chroma (intensity) of the colour. For example, "50BG" means that the colour is in the middle of the Blue-Green hue family, with "00" being closest to Green and "99" being closest to Blue. The "068" in "50BG 76/068" represents the chroma, with lower numbers being less intense and closer to neutral grey, and higher numbers being more intense and brighter.











































