In these situations, the background will need to be darkened in order to provide enough contrast. Images with mostly light-colored backgrounds-or images edited to appear faded-are not well suited to white text because the colors are too similar. When choosing to place text over an image, consider both the text color and the main color of the image. Right: The edited darkened version does pass the 4.5:1 contrast ratio guideline for accessibility. Do: Left: Darkening the background with a radial gradient overlay allows the white text to have stronger contrast, without drastically changing the visual tone of the image. Right: A tool for contrast-ratio analysis confirms that the white text does not have adequate contrast with the background (the dark, nonoutlined areas are those that do not possess the sufficient contrast ratio of 4.5:1 for small-sized text). DonР В Р вЂ Р В РІР‚С™Р Р†РІР‚С›РЎС›t: Left: The background image used for the third slide in the homepage carousel for is both faded and visually busy, making the white text difficult to read. Rather than risk that users ignore your text, implement small changes to the design to increase the contrast between the text and the background. (As a reminder, legibility refers to the ability to distinguish the individual characters, while readability refers to the ability to actually process the meaning of the words.) When text is difficult to decipher, readers are forced to choose between straining their eyes and skipping over the content. Placing text over an image need not be completely avoided, but special care must be taken to ensure that the text is both legible and readable to users. Subtle Tweaks Make a Big Difference in Usability According to accessibility requirements for color contrast, text that is not purely decorative or part of a logo should have a contrast ratio of at least 4.5:1 (or 3:1 for large characters, defined as an 18-point font, or a 14-point bold font).

However, these endeavors commonly backfire, usually when the contrast between the text and the background is too low. (Large pictures are frequently encountered in conjunction with minimalism, although they do not quite define this design trend.)Р В РІР‚СњР вЂ™Р’В«ecause images play such an important role, often designers end up placing text over an image to leverage the attention-grabbing aspect of the photo while providing text-based content to communicate actual information. This ability of an image to elicit a positive visceral response has caused many designers to create interfaces that are highly visual, downplay text, and often contain large background images or videos. (If instead the images appear to be purely decorative, they will likely be completely ignored.) Images can quickly prompt an emotional response in viewers and can spur them into taking some type of action.

Eyetracking research has shown that people are attracted to information-carrying photos, when the images are related to the userР В Р вЂ Р В РІР‚С™Р Р†РІР‚С›РЎС›s current task. A well-chosen visual adds interest and can set the tone of a website, in addition to (hopefully) conveying some meaning.

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