Powders – Case Study

Producers in the food and beverage industry use many ingredients, spices, and additives that are in powder form. These powders have a long shelf life, meaning they are often shipped from suppliers around the world …

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Multi-point Averaging: Case Study

Multipoint Averaging header

Multi-point Averaging with the Nix Quality Control (QC) Color Sensor and App Not all products are uniform in color (See case study on building blocks). When measuring the color properties of a non-uniform surface, a …

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Liquids: Case Study

From petrochemicals, to pigments, to beverages, the color characteristics of translucent liquids are often vital to a product’s performance in the marketplace. Alcoholic beverages such as wine, beer, whiskey, scotch, and tequila are high-margin consumer …

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Solid, Opaque Surfaces: Case Study

Nix Color Sensor measuring green lego pieces

Many of today’s consumer goods are made of injection molded plastics. This injection molding process involves melting thermoplastic pellets, forcing molten liquid into a specialized mold to be cooled and hardened. Based on the customer’s …

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How do you Measure Color Accuracy?

An illustration depicting the CIELAB colour model.

The vast majority of the human population is extremely sensitive to differences and inconsistencies in color. Intuitively, we are able to sense when a color is ‘off’. However, when it comes to scientific equipment and …

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What is RGB Color?

The RGB model shows overlapping red, green, and blue. When all three colours overlap, they form white.

Introduction to RGB Color The RGB color system is one of the most well-known color systems in the world, and perhaps the most ubiquitous. As an additive color system, it combines red, green, and blue light to create …

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What is Delta E or ΔE

Two orange swatches are shown side by side. They different slightly in colour.

Delta E, ΔE or dE, is a way of measuring the visible difference, or error between two colors mathematically. It is very useful for sorting “closeness” of paints to a scanned sample and has obvious applications …

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What is HEX?

HEX is just an alternative method of communicating RGB colors. Instead of each of the red, green and blue channels being represented by numbers from 0 to 255, they are represented in the hexadecimal number system, 00 to …

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