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Accessibility Color Wheel

Accessibility Color Wheel
Normal This box shows the colors with normal vision. Use: Choose a foreground color by pointing the mouse over the wheel or the vertical grey gradation strip and click or, if you have a touch screen, just touch them. Then click the "Background" button and choose a background color the same way. If a checkmark becomes visible the color pair is good for accessibility.

Related:  Accessibilité

Web 2.0 how-to design style guide In this tutorial, I describe various common graphic design elements in modern web “2.0” design style. I then attempt to explain why they work (i.e. why they have become common), as well as how, when and where you might use each element in your designs. It follows on from my Current Style article, and analyses in greater depth the design features of the current “Web 2.0” design style. To learn how to design Web2.0 sites yourself, you must read “Save the Pixel – The Art of Simple Web Design”, which is a comprehensive guidebook to the principles and techniques of Web2.0 design. Summary of Best Web Design Features The list below is a summary of many of the common features of typical “Web 2.0” sites.

High Dynamic Range (HDR) Photography in Photoshop CS2 High dynamic range (HDR) images enable photographers to record a greater range of tonal detail than a camera could capture in a single photo. This opens up a whole new set of lighting possibilities which one might have previously avoided — for purely technical reasons. The new "merge to HDR" feature of Photoshop accomplishes this by combining a series of bracketed exposures into a single image, which encompasses the tonal detail of the entire series. Single Photo without HDR After High Dynamic Range Technique

JuicyStudio Colour Contrast The old Accessibility Evaluation and Repair Tools (AERT) suggested algorithm for determining colour contrast now directs here. The AERT algorithm was never a recommendation, and WCAG 2.0's luminosity contrast algorithm is recommended instead. Success Criterion 1.4.3 of WCAG 2.0 requires the visual presentation of text and images of text has a contrast ratio of at least 4.5:1, except for the following: Large Text: Large-scale text and images of large-scale text have a contrast ratio of at least 3:1; Incidental: Text or images of text that are part of an inactive user interface component, that are pure decoration, that are not visible to anyone, or that are part of a picture that contains significant other visual content, have no contrast requirement.

Showing Hyperlink Cues with CSS (Ask the CSS Guy) I like the little icons next to hyperlinks that signify if that link will take me offsite, open a popup, or link to a file (as opposed to another html page). Here’s how to do it in a way that’s supported in IE7, Firefox, and Safari. Download zip Images How to Turn an Ordinary Photo Into an Extraordinary Photo I’ve often been asked about my process for tweaking photos. I thought I’d use one of my favorite photos and show how I took it from initial capture to final public display. I had forgotten how far I had taken this image from its initial capture: Able Player Able Player is a fully accessible cross-browser media player. It uses the HTML5 <audio> or <video> element for browsers that support them, and (optionally) the JW Player as a fallback for those that don’t. To see the player in action check our Able Player Examples page. Features

Worst Web Design Ever The following is a list of web sites collected on the internet for the purpose of demonstrating bad web design. If you have found another site that should be on this list then please leave a comment. New screenshots taken 15 january 2009. Official site of a children’s hospital in Japan

HTML Color Code Combination Chooser Buy this domain The domain may be for sale by its owner! Related Searches This webpage was generated by the domain owner using Sedo Domain Parking. Free Web Page Headers - Main Index - Powered by PhotoPost Our header graphics are in JPG format, 800 pixels x 200 pixels. Just click a thumbnail to view/download the full-size image. The Green Flash Effect Definition and description The green flash is an atmospheric refractive phenomenon where the top edge of the Sun will momentarily turn green. It is seen rarely by the naked eye, primarily because it requires specific conditions to occur, but also because it requires the observer to know what to look for. Despite the name, there is no "flash"; the event only lasts from a fraction of a second to at the longest, a few seconds. The basic cause for the green flash is that refraction bends the light of the Sun.

.htaccess Hacking for Fun and Profit The Apache server provides directory-level configuration via .htaccess files. This file can override Apache default configuration and change it for the local directory. If you are not a lazy blogger, you may be intrested in some tips I recently discovered to optimize your .htaccess file in order to have better search engine position, avoid spam comments and protect your content. Redirection search engines see and as two different sites… this is bad for two reasons: