Blogs
Carbon Blackness [My], Jetness [Mc], Undertone [dM] and Tint Strength [T]
Posted on by Ganesh Ramanathan
“Carbon black, also called charcoal black lamp black, pigment black, soot or black carbon, is a fine particle carbon pigment obtained as soot from the incomplete combustion of many different types of organic materials, such as natural gas, or oil. Carbon black is usually a fine, soft, black powder. It is very stable and unaffected […]
How can I use EasyMatch QC to measure Contrast Ratio Opacity?
Posted on by Ganesh Ramanathan
Contrast Ratio Opacity measurement quantifies how opaque a sheet sample using two readings. One reading is taken with the black glass or light trap backing the sample at the port. The second reading is taken with the sample backed by a white tile or the white sample clamp insert. EasyMatch QC will prompt you for […]
What are Hydrochromic or Hygrochromic Color Samples?
Posted on by Ganesh Ramanathan
Both “hydro” coming from Greek origins for water and “hygro” coming from the Greek “hygrós” for wet or moist, tend to be used in two terms for the same optical phenomena.
What is the technique for quantifying reflected color in architectural glass?
Posted on by Ganesh Ramanathan
In the two glass window panes above you can probably notice a difference in the transmission color between the two. The one on the left appears greener while the one on the right appears bluer. There is another difference; the two samples have a difference in reflectance as well. The sample on the left has […]
What is a Y Brightness? Beta Reflectance Factor? Reflection Coefficient?
Posted on by Ganesh Ramanathan
FAQ: What is a Y Brightness/Luminance? FAQ: What is a Beta (ß) Reflectance or Luminance Factor for Brightness? FAQ: What is a Reflection Coefficient (0-1)?
Contrast Ratio Opacity
Posted on by Ganesh Ramanathan
When used with industrial and commercial products, there is more than one definition of “opacity” as an optical property.