{"id":145,"date":"2016-03-31T16:05:04","date_gmt":"2016-03-31T21:05:04","guid":{"rendered":"https:\/\/uwm.edu\/science-bag\/?p=145"},"modified":"2023-12-11T12:00:29","modified_gmt":"2023-12-11T18:00:29","slug":"whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color","status":"publish","type":"post","link":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/","title":{"rendered":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color"},"content":{"rendered":"\n<p><strong>Robert Greenler<\/strong> \u2014 What do we mean when we say that a geranium is red, an orange is orange or white white? When, in fact, and why is white white, and what is color? Answers to these and other intriguing questions about the nature of light, the color of common objects, and the way in which the human eye perceives color can be found in this program.<\/p>\n\n\n\n<div id=\"27502128\" class=\"vimeo archived\">&nbsp;<\/div>\n\n\n\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/27502128\" width=\"640\" height=\"480\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Robert Greenler \u2014 What do we mean when we say that a geranium is red, an orange is orange or white white? When, in fact, and why is white white, and what is color? Answers to these and other intriguing &hellip;<\/p>\n","protected":false},"author":45,"featured_media":6878,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"_acf_changed":false,"footnotes":"","uwm_wg_additional_authors":[]},"categories":[1,31],"tags":[23,35],"class_list":["post-145","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-all-videos","category-physics","tag-color","tag-optics","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Whiter than White, Blacker than Black and Greener than Green: The Perception of Color - 51ÁÔÆæ Science Bag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color\" \/>\n<meta property=\"og:description\" content=\"Robert Greenler \u2014 What do we mean when we say that a geranium is red, an orange is orange or white white? When, in fact, and why is white white, and what is color? Answers to these and other intriguing &hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/\" \/>\n<meta property=\"og:site_name\" content=\"51ÁÔÆæ Science Bag\" \/>\n<meta property=\"article:published_time\" content=\"2016-03-31T21:05:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-11T18:00:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"504\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/\"},\"author\":{\"name\":\"\",\"@id\":\"\"},\"headline\":\"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color\",\"datePublished\":\"2016-03-31T21:05:04+00:00\",\"dateModified\":\"2023-12-11T18:00:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/\"},\"wordCount\":81,\"image\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/wp-content\\\/uploads\\\/sites\\\/379\\\/2023\\\/12\\\/Whiter-Than-White.webp\",\"keywords\":[\"Color\",\"Optics\"],\"articleSection\":[\"All Videos\",\"Physics\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/\",\"url\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/\",\"name\":\"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color - 51ÁÔÆæ Science Bag\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/wp-content\\\/uploads\\\/sites\\\/379\\\/2023\\\/12\\\/Whiter-Than-White.webp\",\"datePublished\":\"2016-03-31T21:05:04+00:00\",\"dateModified\":\"2023-12-11T18:00:29+00:00\",\"author\":{\"@id\":\"\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#primaryimage\",\"url\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/wp-content\\\/uploads\\\/sites\\\/379\\\/2023\\\/12\\\/Whiter-Than-White.webp\",\"contentUrl\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/wp-content\\\/uploads\\\/sites\\\/379\\\/2023\\\/12\\\/Whiter-Than-White.webp\",\"width\":900,\"height\":504,\"caption\":\"preview\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/#website\",\"url\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/\",\"name\":\"51ÁÔÆæ Science Bag\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"\",\"url\":\"https:\\\/\\\/uwm.edu\\\/science-bag\\\/author\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color - 51ÁÔÆæ Science Bag","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/","og_locale":"en_US","og_type":"article","og_title":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color","og_description":"Robert Greenler \u2014 What do we mean when we say that a geranium is red, an orange is orange or white white? When, in fact, and why is white white, and what is color? Answers to these and other intriguing &hellip;","og_url":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/","og_site_name":"51ÁÔÆæ Science Bag","article_published_time":"2016-03-31T21:05:04+00:00","article_modified_time":"2023-12-11T18:00:29+00:00","og_image":[{"width":900,"height":504,"url":"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Written by":"","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#article","isPartOf":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/"},"author":{"name":"","@id":""},"headline":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color","datePublished":"2016-03-31T21:05:04+00:00","dateModified":"2023-12-11T18:00:29+00:00","mainEntityOfPage":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/"},"wordCount":81,"image":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#primaryimage"},"thumbnailUrl":"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp","keywords":["Color","Optics"],"articleSection":["All Videos","Physics"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/","url":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/","name":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color - 51ÁÔÆæ Science Bag","isPartOf":{"@id":"https:\/\/uwm.edu\/science-bag\/#website"},"primaryImageOfPage":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#primaryimage"},"image":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#primaryimage"},"thumbnailUrl":"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp","datePublished":"2016-03-31T21:05:04+00:00","dateModified":"2023-12-11T18:00:29+00:00","author":{"@id":""},"breadcrumb":{"@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#primaryimage","url":"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp","contentUrl":"https:\/\/uwm.edu\/science-bag\/wp-content\/uploads\/sites\/379\/2023\/12\/Whiter-Than-White.webp","width":900,"height":504,"caption":"preview"},{"@type":"BreadcrumbList","@id":"https:\/\/uwm.edu\/science-bag\/whiter-than-white-blacker-than-black-and-greener-than-green-the-perception-of-color\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/uwm.edu\/science-bag\/"},{"@type":"ListItem","position":2,"name":"Whiter than White, Blacker than Black and Greener than Green: The Perception of Color"}]},{"@type":"WebSite","@id":"https:\/\/uwm.edu\/science-bag\/#website","url":"https:\/\/uwm.edu\/science-bag\/","name":"51ÁÔÆæ Science Bag","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/uwm.edu\/science-bag\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"","url":"https:\/\/uwm.edu\/science-bag\/author\/"}]}},"acf":[],"meta_fields":{"_edit_lock":["1702317629:1272"],"_edit_last":["1272"],"_rawhtml_settings":["0,0,0,0"],"_yoast_wpseo_content_score":["60"],"_yoast_wpseo_estimated-reading-time-minutes":["1"],"_expiration-date-status":["saved"],"_thumbnail_id":["6878"],"feat_img_video":[""],"feat_img_gallery":[""],"feat_img_caption":["feat-img-caption-on"],"breadcrumbs_display":["breadcrumbs-on"],"otp_nav_display":["otp-on-mobile"],"post_layout":["post-layout-theme"],"_yoast_wpseo_primary_category":[""],"_yoast_wpseo_wordproof_timestamp":[""],"_uwm_wg_content_review_log":["a:1:{i:0;a:5:{s:11:\"reviewer_id\";i:0;s:6:\"status\";s:5:\"reset\";s:10:\"entry_date\";s:19:\"2026-03-01 02:10:40\";s:16:\"priority_content\";s:0:\"\";s:4:\"note\";s:43:\"Content review reset at start of new cycle.\";}}"]},"_links":{"self":[{"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/posts\/145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/users\/45"}],"replies":[{"embeddable":true,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/comments?post=145"}],"version-history":[{"count":3,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/posts\/145\/revisions"}],"predecessor-version":[{"id":6903,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/posts\/145\/revisions\/6903"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/media\/6878"}],"wp:attachment":[{"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/media?parent=145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/categories?post=145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uwm.edu\/science-bag\/wp-json\/wp\/v2\/tags?post=145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}