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Reliable Colour Measurement Solutions for Every Industry

What is colour?
Colour Communication
Ways to Measure Colour
Transmission
Products
Reflectance?
Products
Sphere Geometry
FAQs
Looking for precise and reliable colour measurement tools? Lovibond® Tintometer India offers user-friendly instruments for fast, accurate results across industries like food & beverage, paint, chemicals, and pharmaceuticals, and many more.For accurate and reliable colour measurement solutions, you've come to the right place with Lovibond® Tintometer India. Our intuitive, easy-to-use instruments are designed to simplify your testing process, reduce preparation time, and provide consistent, precise results.Lovibond® ensures reliable performance and support at every step, helping you achieve dependable results, every time.

What is Colour?

Colour is a visual, perceptual property in human beings. Colour is derived from the signals produced by three different types of light sensitive cell in the eye that respond to the spectrum of light (distribution of light energy versus wavelength). In our environment, materials are coloured depending on the wavelengths of light they reflect or transmit.The visible colour spectrum runs from blue through to red wavelengths, approximately 360-720 nm. Three things are necessary to see colour:
  • A source of light
  • An object
  • An observer/processor
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Communication of Colour

How would you describe the colour of this Juice? Would you say it’s orange, orangish yellow or maybe a bright canary yellow?

Each person verbally describes and hence defines the colour of an object differently. As a result, objectively communicating a particular colour to someone without some type of physical standard is difficult.

Also describing in words the precise colour difference between two objects is very challenging. Your perceptions and interpretations of colour and colour comparisons are highly subjective.

Eye fatigue, age and other physiological factors can influence your colour perception. But even without such physical considerations, each observer interprets colour based on their personal perspective, feelings, beliefs and expectations. For example you may convince yourself that a certain colour match is within tolerance if you are under pressure to declare a colour match as acceptable. The solution to this dilemma is an instrument that explicitly identifies a colour by measuring it and comparing the colour to standards completely objectively and accurately each and every time. That is, an instrument that differentiates a colour from all others and assigns it a numeric value.

Colour measurement, also called colorimetry, is the process of accurately analyzing the colour of a material or substance. Using colorimeters and spectrophotometers helps translate colour into numerical data, ensuring consistency and quality in products across various industries.

Accurate colour measurement is crucial because of the benefits it offers

  • For maintaining product consistency and meeting industry standards.
  • It helps ensure uniform colour across batches, which is essential for branding and consumer trust. 
  • It also improves manufacturing efficiency by identifying colour deviations early, reducing waste, and supporting regulatory compliance, especially in industries like food, pharmaceuticals, and chemicals.
  • Helps maintain quality and efficiency in production.
  • Allows faster turnaround time and report generation.

Lovibond® provides intuitive, easy-to-use colour measurement instruments that offer precise and reliable results.

With applications across diverse industries like food & beverage, paints, textiles, and chemicals, Edible oils & fats, petroleum, pharmaceuticals, cosmetics, sugar solutions, syrups, honey, waxes, chemicals, Lovibond® colour measuring solutions are what you need for communicating colour consistently and accurately.

Ways to Measure Colour

Today, colorimeters, spectrophotometers and spectrophotometric colorimeters (sometimes referred to as spectro-colorimeters) are the most commonly used instruments for measuring colour worldwide. These technologies measure the proportion of reflected or transmitted light at many points in the visible spectrum. The points can be plotted graphically to form a spectral curve. Since the spectral curve of each colour is completely unique, like a signature or fingerprint, the curve is an excellent tool for identifying, specifying and matching colour.

When an object interacts with light, some of the wavelengths of light are absorbed and others are reflected or transmitted (in the case of a coloured but clear liquid). Therefore a red ball absorbs all wavelengths of light except for those in the red part of the spectrum, which it reflects.

A blue ball reflects only blue wavelengths. A glass of apple juice transmits green and yellow wavelengths. Fresh snow reflects most of the light that interacts with it and hence appears white. Black is due to the absence of reflected light.

Transmission

Transmission in Colour Measurement refers to the amount of light that passes through a sample when it is illuminated. It's a measure of how much light is transmitted through a substance as opposed to being absorbed or reflected.

In colour measurement, transmission is typically measured using a spectrophotometer or a colorimeter that illuminates the sample with a specific light source and detects the amount of transmitted light at different wavelengths. This helps in accurately determining the colour and transparency of the material

For example, when testing a liquid sample, such as a beverage or chemical solution, you should be able to read text placed behind the liquid if it has high transmission.

Understanding Transmitting and Reflectance Samples

Reflectance

Reflectance refers to the amount of light that bounces off the surface of a sample, rather than passing through it. In colour measurement, reflectance is key to determining the appearance of solid materials, coatings, and surfaces. When light hits the surface, some of it is absorbed, while the rest is reflected back. The percentage of light that is reflected can tell us a lot about the colour and surface characteristics of the material.

For example, when measuring the reflectance of a painted surface or textile, the colour intensity and sheen are influenced by how much light is reflected. A highly reflective surface will appear brighter, while a less reflective surface will appear duller.

In industries such as automotive, textiles, and coatings, reflectance is essential for ensuring colour consistency, product quality, and achieving the desired finish or look. Accurate reflectance measurement helps manufacturers maintain consistent colours and textures across large production runs.

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Sphere Geometry:

Reflected light can be measured in a number of different ways: different instrument geometries affect the reading obtained but can be easily matched to your application.

The different instrument geometries do, however, share common elements. Light from a controlled light source and a sensitive light detector are always utilized.

Instruments with sphere geometry have played a major role in colour quality control systems for over 50 years. The sphere has a white inner surface and a small circular aperture, against which the sample is placed to allow colour measurement. Additional apertures allow light to enter and leave the sphere at defined angles.

Before we measure a colour we need to establish a means of describing it, lets start Your Colour Journey

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FAQ's

A spectrophotometer is an analytical instrument that measures the intensity of light absorbed by a sample at specific wavelengths. It works by directing a beam of light through the sample and recording the amount of light absorbed or transmitted. Spectrophotometers are widely used in industries like water testing, pharmaceuticals, and food processing to ensure quality and compliance. At Lovibond®, our spectrophotometers deliver precise and repeatable results, ideal for laboratory and industrial applications.
A colorimeter is a device used to measure the concentration of a particular substance in a solution by analyzing its colour intensity. Its principle is based on Beer-Lambert's law, which states that the absorbance of light by a solution is directly proportional to its concentration. Lovibond® colorimeters provide highly accurate results, making them essential for water testing, chemical analysis, and quality control.
The study and method of measuring and quantifying colours is called colorimetry. By examining the colour intensity generated by a chemical reaction, it is possible to ascertain the concentration of chemicals in a solution. Lovibond® specialises in colorimetry equipment for a range of uses, such as industrial colour analysis, beverage manufacturing, and water quality monitoring.
The RYBN colour scale is a system used to measure the intensity of red, yellow, blue, and neutral tones in a clear, transparent, liquid sample, commonly in liquids like edible oils, petroleum, fats, waxes, glycerine, chemicals, and fragrances. It ensures product consistency and quality. Lovibond® offers advanced colorimeters and spectrophotometers that accurately measure RYBN values for precise quality control.
The Gardner scale is used to measure the colour of transparent to slightly hazy liquids, particularly resins, varnishes, oils, and chemicals. It quantifies colour from pale yellow to deep brown. At Lovibond®, our instruments ensure accurate Gardner scale measurements, enabling manufacturers to meet industry-specific colour standards.

The CIELAB system is a colour measurement method developed by the International Commission on Illumination (CIE). It defines colour in a three-dimensional space with parameters:

 

L* for lightness

a* for red-green axis

b* for yellow-blue axis

Lovibond® instruments utilize the CIELAB system for precise colour quantification, offering unparalleled consistency across multiple industries.

Colour measurement in food ensures product quality, consistency, and consumer appeal. For example, it helps standardize the colour of beverages, sauces, and bakery items while ensuring compliance with industry regulations. Lovibond's colour measurement solutions allow food manufacturers to maintain high-quality standards and improve customer satisfaction.

Yes, colour measuring can be automated with spectrophotometers and colorimeters. Lovibond® provides innovative instruments that deliver automated, consistent, and reliable colour measurements, reducing human error and increasing efficiency in quality control procedures.