{"id":9305,"date":"2021-09-03T11:24:19","date_gmt":"2021-09-03T11:24:19","guid":{"rendered":""},"modified":"2025-06-17T10:29:33","modified_gmt":"2025-06-17T09:29:33","slug":"colour-blindness-and-assistive-technology","status":"publish","type":"post","link":"https:\/\/reciteme.com\/au\/news\/colour-blindness-and-assistive-technology\/","title":{"rendered":"Colour Blindness and Website Assistive Technology"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"9305\" class=\"elementor elementor-9305\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7ce3f5a5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7ce3f5a5\" 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-116ce262\" data-id=\"116ce262\" 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-7a61cf26 elementor-widget elementor-widget-text-editor\" data-id=\"7a61cf26\" 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 dir=\"ltr\">Did you know that we are all born colour blind?<\/p><p dir=\"ltr\">Our vision slowly improves from birth, and most of us can see the full colour spectrum by the time we reach six months of age. However, 1 in 12 men and 1 in 200 women remain colour blind throughout their lives. That\u2019s an average population percentage of around 4.5%, accounting for over 300 million people worldwide.<\/p><div>\u00a0<\/div><div><h2><strong>What Is Colour Blindness?<\/strong><\/h2><p dir=\"ltr\">Colour Blindness is also known as Colour Vision Deficiency, and is defined as the decreased ability to see colours or differences in colours. The condition is mostly genetic and is incurable. However, some people develop colour blindness later in life due to old age, head injuries, or diseases such as diabetes and multiple sclerosis.<\/p><p dir=\"ltr\"><img decoding=\"async\" style=\"width: 100%\" src=\"https:\/\/reciteme.com\/au\/wp-content\/ckeditor\/website\/ColourBlindness_1.png\" alt=\"Colour blindness is more predominant in men because the genes responsible are on the X chromosome. Men only have one X chromosome, whereas women have two, so typically a defect in one is compensated for by the other.\" \/><\/p><h2><strong>Colour Blindness is Different for Everyone<\/strong><\/h2><p dir=\"ltr\">The most common form of colour blindness involves reds and greens. Blue\/yellow colour blindness and total colour blindness are much rarer. But regardless of the type, everyone experiences colour blindness differently.<\/p><p dir=\"ltr\">For example, being red\/green colour blind doesn\u2019t necessarily mean people will only confuse reds and greens. Any colour containing red or green pigments can be problematic, which means people may also confuse blue with purple because they can\u2019t distinguish the red hues within a purple object.<\/p><p dir=\"ltr\">The effects of colour blindness also vary in severity. Research reveals that around 40% of colour blind people leave secondary school still unaware of their condition. However, around 60% experience problems in everyday life such as:<\/p><ul><li><p dir=\"ltr\">Choosing clothing<\/p><\/li><li><p dir=\"ltr\">Determining ripe from rotten food<\/p><\/li><li><p dir=\"ltr\">Understanding traffic lights<\/p><\/li><li><p dir=\"ltr\">Reading information online<\/p><\/li><\/ul><p dir=\"ltr\"><img decoding=\"async\" style=\"width: 100%\" src=\"https:\/\/reciteme.com\/au\/wp-content\/ckeditor\/website\/ColourBlindness_2.png\" alt=\"Choosing clothing icon\" \/><\/p><h2><strong>How Does Colour Blindness Affect Internet Use?<\/strong><\/h2><p dir=\"ltr\">Any visual impairment can make online reading difficult because text size, font, and spacing all affect readability. But for those who are colour blind, the most significant factor tends to be colour contrast. Low-quality monitors, bad lighting, and screen glare can influence the clarity of some colours, but even without these, some websites simply do not use combinations that are <a href=\"https:\/\/reciteme.com\/au\/news\/colour-blind-accessibility\/\">colour blind friendly<\/a>.<\/p><h3><strong>Poor Colour Contrasts <\/strong><\/h3><p dir=\"ltr\">Colour combinations to avoid include:<\/p><ul><li><p dir=\"ltr\">green\/red<\/p><\/li><li><p dir=\"ltr\">green\/brown<\/p><\/li><li><p dir=\"ltr\">blue\/purple<\/p><\/li><li><p dir=\"ltr\">green\/blue<\/p><\/li><li><p dir=\"ltr\">light green\/yellow<\/p><\/li><li><p dir=\"ltr\">blue\/grey<\/p><\/li><li><p dir=\"ltr\">green\/grey<\/p><\/li><li><p dir=\"ltr\">green\/black<\/p><\/li><\/ul><p dir=\"ltr\">The picture below shows how a regular sighted person would view these colours compared to someone with Protanopia (red colour blindness).<\/p><p dir=\"ltr\"><img decoding=\"async\" style=\"height: 294px;width: 500px\" src=\"https:\/\/reciteme.com\/au\/wp-content\/ckeditor\/website\/combinations-preview-opt.png\" alt=\"Colour combinations as seen with Protanopia\" \/><\/p><p dir=\"ltr\">Image Source: <a href=\"https:\/\/www.smashingmagazine.com\/2016\/06\/improving-color-accessibility-for-color-blind-users\/\">Smashing Magazine<\/a><\/p><h3><strong>The Perils of Grey Scaling<\/strong><\/h3><p dir=\"ltr\">Grey scaling makes websites incredibly difficult to use for people with vision problems. It tends to cause headaches and eye strain because all elements on the page look the same. Plus, usability is impacted because:<\/p><ul><li><p dir=\"ltr\">Calls to action look disabled<\/p><\/li><li><p dir=\"ltr\">Links are indiscernible<\/p><\/li><li><p dir=\"ltr\">The hierarchy of information is lost<\/p><\/li><\/ul><p dir=\"ltr\">Earlier this year in the UK, Network Rail and National Rail hit the headlines when they switched to a black and white version of their website to mark the death of Prince Phillip. However, this gesture backfired as many customers with vision deficits could no longer use the site. You can <a href=\"https:\/\/www.theguardian.com\/uk-news\/2021\/apr\/12\/visually-impaired-users-complain-rail-websites-greyscale-prince-philip\">read the full article here<\/a>.<\/p><h2><strong>Colour Blind Inclusive Website Design<\/strong><\/h2><p dir=\"ltr\">When making accessibility adjustments to accommodate colour blind readers, web designers should consider the following action points:<\/p><ul><li><strong>Text<\/strong> \u2013 To be readable, text should be based on accepted text colour, background colour, and text size combinations. The <a href=\"https:\/\/reciteme.com\/au\/news\/a-new-standard-of-website-accessibility-is-on-the-way\">newest Web Content Accessibility Guidelines (WCAG)<\/a> require a contrast ratio of 4.5:1 for normal text (14 point) and 3:1 for large text (18 point +).<\/li><li><strong>Images<\/strong> \u2013 Where text is overlaid onto images, the opacity of the image often needs to be increased to make the text readable.<\/li><li><strong>Links<\/strong> \u2013 Links should be easy to identify without relying on colour or hovering over the text with a cursor. Underlining links is a good way to make links easier to spot.<\/li><li><strong>Swatches<\/strong> \u2013 Use labels or descriptive text, as it is often impossible to differentiate between options on colour picker charts based on visuals alone.<\/li><li><strong>Required fields<\/strong> \u2013 Some people may not see the difference when colour is used to signify mandatory fields on online forms. Using asterisks or clearly labelling some fields as \u2018required\u2019 are better options.<\/li><li><strong>Placeholder text <\/strong>\u2013 Placeholder text usually has insufficient contrasts, but increasing the contrast causes confusion between placeholder text and user input text. So it\u2019s much better to use labels than placeholder text on forms and login pages.<\/li><li><strong>Buttons<\/strong> \u2013 Don\u2019t use colour alone to identify primary buttons. The right solutions depend on branding preferences, but alternatives include utilising boldness, icons, borders, and sizing.<\/li><li><strong>Graphs<\/strong> \u2013 Using patterns rather than single blocks of colour to denote different sections makes visual displays much easier to understand.<\/li><\/ul><h3><strong>Helpful Tools<\/strong><\/h3><p dir=\"ltr\"><a href=\"https:\/\/webaim.org\/resources\/contrastchecker\/\">WebAim Contrast Checker<\/a> \u2013 Allows you to check any two colours against each other to gauge contrast suitability.<\/p><p dir=\"ltr\"><a href=\"http:\/\/colororacle.org\/index.html\">Colour Oracle Colour Blindness Simulator<\/a> \u2013 Provides demonstrations and examples of how people with vision deficits view things differently.<\/p><p dir=\"ltr\"><a href=\"https:\/\/www.toptal.com\/designers\/colorfilter\/\">Toptal Webpage Filter<\/a> \u2013 Previews what web pages look like to people with various forms of colour blindness.<\/p><h2><strong>How Can Website Accessibility Technology Help?<\/strong><\/h2><p dir=\"ltr\">To support those with colour blindness and other visual impairments, the <a href=\"https:\/\/reciteme.com\/au\/product\/assistive-toolbar\">Recite Me toolbar<\/a> provides a wide range of customizable options to enable website visitors to tailor their experience. This includes background, text and link colours, remove pictures from pages to minimise styling distractions, and have content read aloud. Users can:<\/p><ul><li><p dir=\"ltr\">Change the colour of HTML coded attributes, including text, background, links, and buttons.<\/p><\/li><li><p dir=\"ltr\">Experiment with unlimited combinations, allowing complete control over the colour spectrum to account for all preferences.<\/p><\/li><li><p dir=\"ltr\">Choose from 35 text-to-speech languages.<\/p><\/li><\/ul><p dir=\"ltr\">What Recite Me technology cannot do is change colours within images. Nor does our technology promise to make your website instantly \u2018accessible\u2019 in the form of how a website is built or compliant with <a href=\"https:\/\/www.w3.org\/WAI\/standards-guidelines\/wcag\/\">Web Content Accessibility Guidelines (WCAG)<\/a>. Our software is built with WCAG principles at its core, but the onus is on business owners to make their websites as accessible as possible to begin with. Then, with Recite Me software integrated, you can provide your online visitors with as many choices as possible. Not dictating how someone should view a website creating a unique inclusive experience.<\/p><blockquote><p dir=\"ltr\">\u201cThe range of styling features on the Recite Me assistive toolbar massively supports my content reading. Mostly the font size increase button, the colour contrast, and font options\u201d.<\/p><p dir=\"ltr\"><strong>Martin Lea, Recite Me Sales Executive<\/strong><\/p><\/blockquote><div><h2><strong>Is Your Website Colour Inclusive?<\/strong><\/h2><p dir=\"ltr\">Inaccessible websites and apps create barriers to use. No matter what sector of business your organisation sits in, this is simply not good for business. Here\u2019s our 5 step process for ensuring your website is accommodating of colour blind users:<\/p><ol><li><p dir=\"ltr\">Take some time to reflect on the difference being inclusive will mean for your target market. By making your products, services, and information accessible to more of the population, you stand to increase traffic flow, sales, and revenue.<\/p><\/li><li><p dir=\"ltr\">Check that your web design conforms to <a href=\"https:\/\/reciteme.com\/au\/news\/how-to-make-your-website-inclusive-a-webmaster-s-guide\">best practices and principles for accessibility<\/a>.<\/p><\/li><li><p dir=\"ltr\">Familiarise yourself with the WCAG and ensure your website meets the minimum requirements.<\/p><\/li><li><p dir=\"ltr\">Check the disability legislation that applies to websites in your location, and make a plan to complete any necessary updates. Here in the UK, we follow the Equality Act. However, if your business operates further afield in the USA or Australia, you will also need to be familiar with the Americans with Disabilities Act (ADA) and <a href=\"https:\/\/reciteme.com\/au\/news\/disability-discrimination-act-compliance\/\">the Disability Discrimination Act (DDA)<\/a>.<\/p><\/li><li><p dir=\"ltr\">Look into assistive technology software to add further layers of usability to your website, making it truly inclusive.<\/p><\/li><\/ol><p dir=\"ltr\">Recite Me is quick and easy to implement on your website and can usually be installed in under an hour. Our software is already active on over 3500 websites, and every year we help millions of people to enjoy inclusive journeys online.<\/p><p dir=\"ltr\"><a href=\"https:\/\/reciteme.com\/au\/contact\">Contact our team<\/a> today to learn more or <a href=\"https:\/\/reciteme.com\/au\/demo\">book a live demo<\/a> of our toolbar.<\/p><p>Article Sources: <a href=\"https:\/\/enchroma.com\/blogs\/beyond-color\/interesting-facts-about-color-blindness\">Enchroma<\/a>, <a href=\"https:\/\/www.colourblindawareness.org\/colour-blindness\/#:~:text=Colour%20(color)%20blindness%20(colour,200%20women%20in%20the%20world.\">Colour Blind Awareness<\/a>.<\/p><\/div><div>\u00a0<\/div><\/div>\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>Find out how colour blindness affects internet use and how website accessibility can help support those with colour blindness and other visual 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