![]() ![]() The Web Content Accessibility Guidelines (WCAG) uses a figure known as the color contrast ratio to determine whether your chosen font and background colors meet the level of contrast that is considered acceptable. The Siteimprove C olor C ontrast C hecker is a n easy-to-use tool that helps you determine whether your website’s chosen font and background color s are accessible to pe ople with low vision and color def ic iencies. While having sufficient color contrast is necessary for accessibility reasons, it also makes content easier t o see and read for everyone, resulting in a better user experience for all visitors. Your website’s chosen color scheme should be accessible to people with color blindness, low vision, low c ontrast sensitivity, or other visual disabilities, who may not be able to adequately perceive certain color combinations. Choosing the wrong color combinations can make navigating and interacting with your site confusing or even impossible. For example, a yellow font on a white background is less perceivable to a user with low contrast vision than a white font on a black background. With respect to web accessibility, the right color contrast can determine whether user s with visual disabilities will be able to read your content or not. Taking this into account as well as the applicability of such a tool, we recommend Portable Colour Contrast Analyzer to any user who wants to test the contrast and readability of a website, image, or application without investing too much effort in the process.Color contrast is the difference in light between a font (or any other element) in the foreground and its background. Users should know that the program ran seamlessly during our tests, and no inconveniences affected its performance. It is worth pointing out that all these simulations can be carried out for your entire screen, a currently open window, or an image. Besides, you can check your design in inverted colors or grayscale. To be more specific, the tool can show you your screen as perceived by users affected by one of the following conditions: protanopia, deuteranopia, tritanopia, or cataracts. Helps you optimize your design for color-blinded usersĪside from that, the program can perform multiple simulations so that you can know what your design looks like through the eyes of people suffering from color blindness. Note that copying the results to your clipboard is possible in case you want to integrate them with your research. The results are displayed at the bottom of the page, with a compact report informing you about the contrast ratio as well as how different font sizes can handle the colors you selected. You simply need to select a color for your foreground as well as background, with the possibility of resorting to the integrated palette or a color picker so that you can test any chromatic element on your screen, outside the application itself. The program is capable of providing you with a pass or fail assessment that refers to WCAG 2.0 color contrast success criteria as a standard. Portable app that can calculate a text’s legibilityĪs its name makes it clear, the tool is packed as a portable application, which means you can carry it around on a USB stick and have it running on any machine without worrying about intricate setup operations. That is to mean it is quite difficult to find a standard that would cater to the needs and eyes of each and every one of us, and graphic designers are the ones who struggle the most with this inconvenience.įor this reason, employing a software utility capable of calculating the degree of contrast and readability of your text against various design elements could reduce the risk of subjectivity, with a program such as Portable Colour Contrast Analyzer claiming to do just that for you. People may have different views on what readability entails, and this is perfectly reasonable especially since objective factors might influence an individual's sight. ![]()
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