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2. Light-on-dark color scheme - Wikipedia

   en.wikipedia.org/wiki/Light-on-dark_color_scheme

   Light on dark color schemes require less energy to display on OLED displays. This positively impacts battery life and reduces energy consumption. [16]While an OLED will consume around 40% of the power of an LCD displaying an image that is primarily black, it can use more than three times as much power to display an image with a white background, such as a document or web site. [17]

3. Dracula (color scheme) - Wikipedia

   en.wikipedia.org/wiki/Dracula_(color_scheme)

   Over the years, Dracula became popular among software developers. Joey Sneddon of omg!ubuntu! recommended Dracula, noting its wide compatibility, as well as its open source nature. [14] Writing for SpeckyBoy Magazine, Eric Karkovack reported that "Dracula is a dark theme that presents some great color contrast. Using a dark background actually ...

4. Web colors - Wikipedia

   en.wikipedia.org/wiki/Web_colors

   The Web Content Accessibility Guidelines recommend a contrast ratio of at least 4.5:1 between the relative luminance of text and its background color [33] or at least 3:1 for large text. Enhanced accessibility requires contrast ratios greater than 7:1. However, addressing accessibility concerns is not simply a matter of increasing the contrast ...

5. Comparison of HTML editors - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_HTML_editors

   Image files are composed of digital data in one of several formats. Some formats of image files may be preferred by website designers for smaller file size and higher image quality. Here are the most popular formats of image files and the table below makes a comparison about whether the software for website design can display the file format on ...

6. Histogram equalization - Wikipedia

   en.wikipedia.org/wiki/Histogram_equalization

   This allows for areas of lower local contrast to gain a higher contrast. Histogram equalization accomplishes this by effectively spreading out the highly populated intensity values which are used to degrade image contrast. The method is useful in images with backgrounds and foregrounds that are both bright or both dark. In particular, the ...

7. Contrast (vision) - Wikipedia

   en.wikipedia.org/wiki/Contrast_(vision)

   Contrast is the difference in luminance or color that makes an object (or its representation in an image or display) visible against a background of different luminance or color. [1] The human visual system is more sensitive to contrast than to absolute luminance; thus, we can perceive the world similarly despite significant changes in ...

8. Wikipedia : Manual of Style/Accessibility

   en.wikipedia.org/wiki/Wikipedia:Manual_of_Style/...

   The contrast ratio should at least meet the Web Content Accessibility Guidelines (WCAG) 2.0 AA level of 4.5:1, [a] and AAA level when feasible (see WCAG's "Understanding SC 1.4.3: Contrast (Minimum)" for details). For named CSS-based text colors on a white background, refer to Wikipedia:Manual of Style/Accessibility/CSS colors for recommended ...

9. PNG - Wikipedia

   en.wikipedia.org/wiki/PNG

   The JPEG (Joint Photographic Experts Group) format can produce a smaller file than PNG for photographic (and photo-like) images, since JPEG uses a lossy encoding method specifically designed for photographic image data, which is typically dominated by soft, low-contrast transitions, and an amount of noise or similar irregular structures.