{"id":16660726551012,"date":"2026-04-27T15:00:00","date_gmt":"2026-04-27T13:00:00","guid":{"rendered":"https:\/\/www.weltderwunder.de\/why-is-the-world-colorful\/"},"modified":"2026-04-24T16:12:51","modified_gmt":"2026-04-24T14:12:51","slug":"why-is-the-world-colorful","status":"publish","type":"post","link":"https:\/\/www.weltderwunder.de\/en\/why-is-the-world-colorful\/","title":{"rendered":"Why is the world in color?"},"content":{"rendered":"<div id=\"weltd-3389945555\" class=\"weltd-anfang-text-2 weltd-entity-placement\"><div id=\"traffective-ad-Mobile_Pos2\" style='display: none;' class=\"Mobile_Pos2\"><\/div><\/div>\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"16660726551012\" class=\"elementor elementor-16660726551012 elementor-16112\" 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data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a8c4735 e-flex e-con-boxed e-con e-parent\" data-id=\"a8c4735\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-384e4bc elementor-widget elementor-widget-global elementor-global-16660726500395 elementor-widget-post-info\" data-id=\"384e4bc\" data-element_type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-9a76b48 elementor-inline-item\" itemprop=\"author\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.weltderwunder.de\/en\/author\/welt-der-wunder-redaktion\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"far fa-user-circle\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-author\">\n\t\t\t\t\t\t\t\t\t\tWelt der Wunder Redaktion\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-933be10 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.weltderwunder.de\/en\/2026\/04\/27\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>27.04.2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-58710cb2 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58710cb2\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3df7415e\" data-id=\"3df7415e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d9ec86 elementor-widget elementor-widget-text-editor\" data-id=\"5d9ec86\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>In fact <span style=\"text-decoration: underline;\">\n  <a href=\"https:\/\/www.weltderwunder.de\/geheimnisvolles-blau-wie-die-farbe-des-himmels-entsteht\/\" target=\"_blank\" rel=\"noopener\">colors<\/a>\n<\/span> a mere &#8220;invention&#8221; of our brain. When sunlight falls on an object, it is reflected there and then captured by the retina in the eye. As a color stimulus, the information travels on to the brain, where it is converted into our perception of color.<\/p><div id=\"weltd-2871655420\" class=\"weltd-mitte-text-2 weltd-entity-placement\"><div id=\"traffective-ad-Mobile_Pos3\" style='display: none;' class=\"Mobile_Pos3\"><\/div><\/div><p>Whether an object appears red or blue to us depends primarily on the nature of its surface. This is because it determines which light waves are reflected and which are &#8220;swallowed&#8221;. Because <span style=\"text-decoration: underline;\">\n  <a href=\"https:\/\/www.weltderwunder.de\/lichtverschmutzung-wenn-die-staedte-niemals-schlafen\/\" target=\"_blank\" rel=\"noopener\">light<\/a>\n<\/span> consists of electromagnetic waves at different distances, each color has a different wavelength.<\/p><h2><strong>Birds see even more colors<\/strong><\/h2><p>The fact that we can distinguish between yellow, red and blue is due to the sensory cells in the eye, the so-called cones. The three different types of cones in the human eye can each receive a specific wavelength &#8211; and therefore one of the three primary colors. If light with different wavelengths is reflected by an object, a mixture of colors is created. For example, when light with the corresponding wavelengths for yellow and red hits the retina, the brain perceives the color orange.<\/p><div id=\"weltd-1403365717\" class=\"weltd-anfang-text weltd-entity-placement\" style=\"margin-left: auto;margin-right: auto;text-align: center;\"><div id=\"traffective-ad-Content_1\" style='display: none;' class=\"Content_1\"><\/div><\/div><p>Incidentally, the world is even more colorful for most birds than it is for us, as they have four types of cones and can even see UV light. There are probably evolutionary reasons for this: Some fruits reflect <span style=\"text-decoration: underline;\">\n  <a href=\"https:\/\/www.weltderwunder.de\/warum-brauchen-ziervogel-uv-licht-fur-ein-gesundes-leben\/\" target=\"_blank\" rel=\"noopener\">UV light<\/a>\n<\/span>as soon as they are ripe.<\/p><p>How animals really perceive colors, however, remains unclear. Researchers can measure their reaction to color stimuli, but not their perception of color in the brain. Just like the beauty of the world, its colors are in the eyes of the beholder.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Roses are red, violets are blue &#8211; the world in all its beauty appears colorful and bright. But a closer look reveals a different picture: In reality, the world is not as colorful as we see it.<\/p>\n","protected":false},"author":9,"featured_media":16660726549066,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"MSN_Categories":"Uncategorized","MSN_Publish_Option":false,"MSN_Is_Local_News":false,"MSN_Is_AIAC_Included":"Empty","MSN_Location":"[]","MSN_Add_Feature_Img_On_Top_Of_Post":false,"MSN_Has_Custom_Author":false,"MSN_Custom_Author":"","MSN_Has_Custom_Canonical_Url":false,"MSN_Custom_Canonical_Url":"","footnotes":""},"categories":[3306,3381,3305,3407],"tags":[3307,3385,3386],"class_list":["post-16660726551012","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article","category-nature","category-new-stories","category-technology-en","tag-body-health","tag-nature","tag-wow-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why is the world in color? - Welt der Wunder<\/title>\n<meta name=\"description\" content=\"The world in all its diversity appears colorful and bright. 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