{"id":378238,"date":"2025-11-28T14:57:39","date_gmt":"2025-11-28T13:57:39","guid":{"rendered":"https:\/\/hunterlab.de\/glossar\/yellowing-degree-yi-yellowness-index\/"},"modified":"2025-11-28T14:57:39","modified_gmt":"2025-11-28T13:57:39","slug":"yellowing-degree-yi-yellowness-index","status":"publish","type":"glossary","link":"https:\/\/www.hunterlab.eu\/en\/glossar\/yellowing-degree-yi-yellowness-index\/","title":{"rendered":"Yellowing Degree, YI (Yellowness Index)"},"content":{"rendered":"<p>The yellowish hue of textile and paper fibers occurs because they preferentially absorb blue light. This wavelength is then missing from the reflected light spectrum, and the object appears yellowish (complementary color).  <\/p>\n","protected":false},"excerpt":{"rendered":"<p>The yellowish hue of textile and paper fibers occurs because they preferentially absorb blue light. This wavelength is then missing from the reflected light spectrum, and the object appears yellowish (complementary color).<\/p>\n","protected":false},"author":1,"featured_media":0,"menu_order":0,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"glossary-categories":[1352],"glossary-tags":[],"glossary-languages":[],"class_list":["post-378238","glossary","type-glossary","status-publish","hentry","glossary-categories-colorimetry"],"post_title":"Yellowing Degree, YI (Yellowness Index)","post_content":"The yellowish hue of textile and paper fibers occurs because they preferentially absorb blue light. This wavelength is then missing from the reflected light spectrum, and the object appears yellowish (complementary color).<br>  ","_links":{"self":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary\/378238","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary\/378238\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/media?parent=378238"}],"wp:term":[{"taxonomy":"glossary-categories","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-categories?post=378238"},{"taxonomy":"glossary-tags","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-tags?post=378238"},{"taxonomy":"glossary-languages","embeddable":true,"href":"https:\/\/www.hunterlab.eu\/en\/wp-json\/wp\/v2\/glossary-languages?post=378238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}