{"version":"1.0","provider_name":"John Paul Caponigro","provider_url":"https:\/\/www.johnpaulcaponigro.com\/blog","author_name":"johnpaulcaponigro","author_url":"https:\/\/www.johnpaulcaponigro.com\/blog\/author\/johnpaulcaponigro\/","title":"Metamerism \/ Metameric Failure - John Paul Caponigro","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"RpqJcAbOj4\"><a href=\"https:\/\/www.johnpaulcaponigro.com\/blog\/234\/metamerism-metameric-failure\/\">Metamerism \/ Metameric Failure<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.johnpaulcaponigro.com\/blog\/234\/metamerism-metameric-failure\/embed\/#?secret=RpqJcAbOj4\" width=\"600\" height=\"338\" title=\"&#8220;Metamerism \/ Metameric Failure&#8221; &#8212; John Paul Caponigro\" data-secret=\"RpqJcAbOj4\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";var e=!1,o=!1;if(l.querySelector)if(d.addEventListener)e=!0;if(d.wp=d.wp||{},!d.wp.receiveEmbedMessage)if(d.wp.receiveEmbedMessage=function(e){var t=e.data;if(t)if(t.secret||t.message||t.value)if(!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var r,a,i,s=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),n=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),o=new RegExp(\"^https?:$\",\"i\"),c=0;c<n.length;c++)n[c].style.display=\"none\";for(c=0;c<s.length;c++)if(r=s[c],e.source===r.contentWindow){if(r.removeAttribute(\"style\"),\"height\"===t.message){if(1e3<(i=parseInt(t.value,10)))i=1e3;else if(~~i<200)i=200;r.height=i}if(\"link\"===t.message)if(a=l.createElement(\"a\"),i=l.createElement(\"a\"),a.href=r.getAttribute(\"src\"),i.href=t.value,o.test(i.protocol))if(i.host===a.host)if(l.activeElement===r)d.top.location.href=t.value}}},e)d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",t,!1),d.addEventListener(\"load\",t,!1);function t(){if(!o){o=!0;for(var e,t,r,a=-1!==navigator.appVersion.indexOf(\"MSIE 10\"),i=!!navigator.userAgent.match(\/Trident.*rv:11\\.\/),s=l.querySelectorAll(\"iframe.wp-embedded-content\"),n=0;n<s.length;n++){if(!(r=(t=s[n]).getAttribute(\"data-secret\")))r=Math.random().toString(36).substr(2,10),t.src+=\"#?secret=\"+r,t.setAttribute(\"data-secret\",r);if(a||i)(e=t.cloneNode(!0)).removeAttribute(\"security\"),t.parentNode.replaceChild(e,t);t.contentWindow.postMessage({message:\"ready\",secret:r},\"*\")}}}}(window,document);\n<\/script>\n","description":"It&#8217;s often called metamerism, but the correct term is metameric failure. Metameric failure is the tendency of an object to change appearance under different light sources. Different light sources, even of the same color temperature, are often comprised of differing amounts of spectral frequencies (i.e....","thumbnail_url":"https:\/\/www.johnpaulcaponigro.com\/blog\/wp-content\/uploads\/2021\/02\/metamericfailure.jpg"}