Category Archives: Color Measurement

Setting Up A Color Quality Program

Setting up a color quality program can be daunting as color science or color technology are not taught in schools.  Terms like CIE L*a*b*, whiteness and yellow indices and ΔEab seems foreign.  With technical terms like illuminants D65, A, TL84, d/8, 45/0, geometry, SCE and SCI, it can get complicated and hard to comprehend. Most… Read More »

The Benefits of Measuring Colors

Spectrophotometers, colorimeters or chroma meters measure colors.   The color data are expressed in numbers of a color space like CIE L*a*b* and therefore the benefits of measuring colors are: Research and Development Precise Color Communication Color Library Quality Improve Yield Productivity Trend Analysis Shade Sorting The above benefits of measuring colors are done with CIE L*a*b*… Read More »

The Right Color For Disposable Gloves

Disposable gloves are used in healthcare, food and cleanroom industry for protection and prevention.  Generally made from nitrile, vinyl or natural rubber.  Traditionally, color of disposable glove are only available in white or blue. Today, with the growing importance of color coding in personal protective equipment, disposable gloves are available in many colors.  And getting… Read More »

The Color of Flour

Flour is one of the most important food ingredient and is a major diet for many around the world.  From bread to biscuits, to cakes, to noodles, flour based products are enjoyed in many flavors.  Flour is milled from wheat and the milling process yields many flour types and therefore flour quality is often associated… Read More »

What is CIE Lab Color Space?

Color space is a three dimensional color model for precise color communication – to describe color numerically.  Commission Internationale de l´Eclairage (CIE) is a worldwide cooperation and standardisation organisation on color and vision.  In 1976, CIE recommended CIE L*a*b* color space for precise color communication. The color space expresses color numerically and is use for precise color… Read More »

Measuring Gloss and Haze

Gloss Everyone see gloss and color differently and visual perception is subjective and it differs from people to people.  Gloss and color are interaction of light on a surface and is the reflection of light off a surface.  The measurement unit for gloss is gloss units (GU).  To measure gloss, the correct geometry must be… Read More »

Paano Mag Simula ng Isang Color Quality Control Program

Paano Mag Simula ng Isang Color Quality Control Program, maari ninyong i konsidera ang mga sumusunod na gabay. Kailangang Intindihin ang Konsepto ng Kulay Isang magandang starting point o panimula ay makipag ugnayan sa isang Color Specialist upang matulungan ka na maintindihan ang basic ng Color Science. Ang Konica Minolta ay naglabas ng isang easy… Read More »