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"Best Practices to Measure the Color of Candy"

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"Kemin Ensures Quality Using HunterLab Spectrophotometers"

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"7 Reasons You Should Use a Spectrophotometer to Measure the Color of Crackers"

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"What Standard Do I Use to Verify Yellowness Index Performance?"

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"Recognizing the Importance of Color in Packaging Sets Your Brand up for Success"

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"Smart Spectrophotometers Offer a Better Way to Measure the Color of Cookies"

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"Spectrophotometry Ensures Consistent Mortar Coloration"

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Best Practices to Measure the Color of Candy

Posted on Feb 13, 2026 by HunterLab

Color is one of the first things that comes to mind when thinking of candy, as this sweet comes in a rainbow of vibrant hues. The importance of appearance in candy means that those who manufacture it should follow industry best practices to ensure an enjoyable consumer experience.

Consider the Importance of Color

Before you start measuring, note why color matters in candy. Consumers judge food based on appearance, and color sets expectations for quality and taste. Beyond those expectations, color influences whether customers buy a product. They repeatedly turn to brands that offer color consistency as a reliable indicator of quality.

Posted in Food

Kemin Ensures Quality Using HunterLab Spectrophotometers

Posted on Feb 13, 2026 by HunterLab

Protecting Brand Integrity Through Color Precision

Inconsistent ingredient color can cost manufacturers millions in rejected batches, regulatory setbacks, and lost consumer trust. For global ingredient leader Kemin Industries, ensuring color accuracy is not just an aesthetic concern—it's central to product quality and customer satisfaction. That’s why Kemin relies on HunterLab's advanced color spectrophotometers to protect the integrity of over 500 ingredient solutions across food, pet nutrition, and more.

Operating across more than 20 countries with 15 production facilities, Kemin faces the complex task of maintaining visual uniformity in highly diverse ingredient forms. From powders and granules to liquids and pellets, their customers expect one thing: consistency. And in today's competitive baking and snack markets, even slight color deviations can signal oxidation, processing errors, or shelf-life risks.

The Challenge: Detecting Oxidative Change Before It Affects Quality

Lipid-based oxidation is a persistent challenge in the baking and snack industries. As fats and oils degrade, they visibly darken ingredient color—even before other sensory qualities change. These early shifts can result in customer dissatisfaction or failed quality checks.

For Kemin, early detection of these subtle changes is essential to delivering on their promise of quality. They needed a solution that was:

  • Sensitive enough to catch imperceptible color shifts
  • Scalable across facilities and ingredient types
  • Easy to operate with minimal variability between users

Posted in Food

7 Reasons You Should Use a Spectrophotometer to Measure the Color of Crackers

Posted on Feb 13, 2026 by HunterLab

The color of snack crackers is important because it indicates freshness and taste. HunterLab's spectrophotometers are color measurement instruments proven to consistently and accurately measure color on challenging textures. The following are a few reasons snack cracker manufacturers should use a spectrophotometer to measure the color of snack crackers:

1. Record Dozens of Measurements in Less Time

Spectrophotometers can obtain and display dozens of results in a matter of seconds, allowing operators to see color measurement results right away. For example, the HunterLab Aeros spectrophotometer measures and averages 35 measurements in five seconds.

2. Measure More Sample Area Faster and with More Accuracy

HunterLab spectrophotometer models have a dynamic rotating sample platform. That measures up to 27.5 square inches, spectrophotometers provide the world’s largest measurement area compared to other color measurement instruments.

3. Reduce or Eliminate Sample Cleanup Time

Spectrophotometers like Aeros, take noncontact measurements, meaning they can measure crackers' color without touching them. Noncontact measuring simplifies sample presentation, eliminates the risk of contamination, and reduces sample cleanup efforts.

Posted in Color In Food Industry

What Standard Do I Use to Verify Yellowness Index Performance?

Posted on Feb 11, 2026 by HunterLab

The Yellowness Index from ASTM International provides a measurable standard for assessing the yellowness in white or light-colored materials, such as plastics. This standard determines the degree of yellowness present, allowing companies to perform quality control processes to maintain product consistency. The test uses a spectrophotometer to quantify the color measurement.

The APHA color system is the most common measurement scale for measuring yellowness in liquids. It serves industries ranging from chemical production to pharmaceutical development.

Materials That Require Yellowness Observations

Various plastics require yellowness observations due to the changes these materials undergo in processing. These plastics include:

  • Polyvinyl chloride (PVC)
  • Polycarbonate (PC)
  • Purified terephthalic acid (PTA)
  • Polyethylene terephthalate (PET)

Yellowness appears in PET due to oxidation. With the increasing use of recycled PET (rPET), manufacturers must measure color to counter yellowness and determine the correct ratio of optical brighteners required to mitigate it.

What Is the Yellowness Index?

The Yellowness Index (YI) measures yellowness due to product changes. The ASTM E313 Yellowness Index is the most common method for determining yellowness in materials like plastics. The standard gives defined indices for measuring the shift from ideal white. It is calculated according to the following formula:

YI = (100CxX - CzZ)/Y

The X, Y, and Z variables are CIE Tristimulus values, which express color and how it is perceived. Cx and Cz depend on the illuminant and observer. During calculations, users choose the values for these coefficients from a table to correspond with spectrophotometer settings. The ASTM E313 combines the calculations into a single value, defining the yellowness amount in a sample. The lower the number, the less yellow the material is.

The YI value is commonly reported as the difference in yellowness between a product sample and the original or reference, designated as delta YI (∆YI).

Posted in Plastic

Recognizing the Importance of Color in Packaging Sets Your Brand up for Success

Posted on Feb 10, 2026 by HunterLab

Apple’s distinctive boxes serve as a prime example of the importance of color in packaging. Image Source: Flickr user Brett Jordan

One of the most widespread concepts in business is the seven-second rule — people make vital decisions within the first seven seconds of encountering a product, and what happens in that time can either nurture long-term consumer loyalty or turn would-be customers off for good.

However, most consumers’ first contact isn’t with the product, but with its packaging. This element is vital to differentiating your brand and its offerings.

For example, many more people would likely recognize the signature blue of a Tiffany & Co. box than the jewelry it may contain. As such, packaging design is often just as important as the product design, shaping consumer perception from the first touch point. With more products than ever competing for space in the marketplace, smart packaging design choices can be the deciding factor in product success, and spectrophotometric analysis helps ensure that your vision becomes reality.

Harnessing the Power of Color in Packaging

Packaging color choice isn’t arbitrary, and it goes beyond simply selecting an aesthetically pleasing color. Instead, designers must draw on both deeply ingrained color psychology and a preexisting visual lexicon of product associations to create packaging that speaks to the consumer in a language they understand.

Brands use colors to project a specific message. For instance, soft drink brands typically use blue for low-sugar options, green for lemon-lime flavors, and red for cola. Similarly, consumers associate green with pine scent in household cleaners and yellow with citrusy aromas in dishwashing detergent. Packaging also shapes consumer choices in prescription drugs, where it can influence perceptions of quality and performance.

Yet, it's essential to remember how these conceptions can shift over time. The sleek, minimalist, white packaging of Apple products is one that brands often shunned before because it was associated with store-brand or “generic” offerings. It's therefore possible to redefine these perceptions while simultaneously becoming defined by specific color choices.

Posted in Color Measurement

Smart Spectrophotometers Offer a Better Way to Measure the Color of Cookies

Posted on Feb 10, 2026 by HunterLab

Color plays a significant role in communicating food quality. Consumers can easily identify an underbaked or overbaked cookie by its abnormal color and texture, knowing these elements will impact its taste. On the other hand, individuals will associate a perfectly caramelized cookie with a high-quality product that likely tastes great. 

How a cookie looks directly impacts consumer buying habits. You can use a color spectrophotometer to measure the color of your cookie samples to ensure they project a consistent and desirable appearance.

Challenges of Measuring Cookie Color

While measuring cookie color is vital for producing a high-quality product, this process can pose several challenges to manufacturers:

  • Irregular texture: Cookies have many inconsistent characteristics that make color analysis more difficult, such as their varying shapes, sizes, and highly textured surfaces. To the naked eye, it's nearly impossible to make an accurate color determination.
  • Time commitment: Large-scale cookie manufacturers must analyze thousands of cookies each year. Measuring the color of cookie samples one at a time can be extremely time-consuming and labor-intensive.
  • Equipment wear and tear: Normal wear and tear can impact your color measurement device's performance, leading to inaccurate measurements. 

Posted in Color In Chemical Industry

Spectrophotometry Ensures Consistent Mortar Coloration

Posted on Feb 10, 2026 by HunterLab

The color of mortar contributes to the aesthetic of any brick structure. Image Credit: Unsplash user Francesco Mazzoli

It’s the same old story. Brick gets all the press, but it’s really the mortar that’s holding everything together. Which means that, for architects, contractors, homeowners, and mortar manufacturers, the color of mortar is every bit as important to the overall aesthetic of a structure as the color of brick. While few may notice or comment on a mortar color that perfectly complements the hue of a building’s brick, incorrectly colored mortar can become glaringly obvious to even the casual observer. For this reason, contractors pay close attention to the mortar color specified by architects and desired by homeowners. Manufacturers, therefore, must closely monitor their products to ensure they continually produce the mortar colors they advertise. This is especially true for manufacturers who fill special color orders from architects, mixing to the preference of their customers.

Architects choose mortar to match the color of their materials. Image Credit: Unsplash User Mike Tinnion

Posted in Color In Building Materials
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