Encyclopedia of Color Science and Technology

Living Edition
| Editors: Ronnier Luo

Coloration, Fastness

Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27851-8_152-2

Definition

Humans use a range of technologies to produce color: solid surfaces are painted, paper and packaging is printed, color images are viewed on screens, and they color the textiles and leather used in their clothing and around homes. Screen color is transient, and few paper products are expected to last long. More durable color is found on painted surfaces and textiles, and the color is provided to them by colorants. That durability is expressed as “fastness.”

Colorants, with the minor exception of interference pigments, have chemical structures that efficiently absorb light and are thus strongly colored. Present in small amounts, they provide their color to an item. That color may change for a number of reasons. Some transient changes can occur, such as when an item becomes wet, or if the colorant undergoes reversible structural changes under the influence of heat (thermochromism) or light (photochromism). Beyond that, if a colored item maintains its color, it is said to...

Keywords

Gray Scale Cellulosic Fiber Color Difference Colorant Removal Color Fastness 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Department of TextilesUniversity of Rhode Island, Fashion Merchandising and DesignKingstonUSA