September 2001
Intermediate to advanced
640 pages
31h 42m
English
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Color on the Web
The Web requires designers to think about color in new ways. In part, it means understanding color in a more technical manner—the appearance of a page can benefit greatly if a designer knows what’s going on “under the hood.” The peculiarities of working with color in web design are functions of the following simple principles:
- Monitors
Web pages are displayed on computer monitors, therefore they follow the basic rules of how computers and monitors handle color.
- Browsers
Because browsers have built-in resources for rendering color when running on systems with limited color display capacity, they can alter the appearance of the colors in your pages.
- HTML
Colors on a web page that are not part of a graphic (for example, background and text colors) need to be properly identified in the HTML tags of the document. This topic is covered in more detail in Chapter 16.
Color on Computer Monitors
Color on monitors is made of light, so traditional systems for specifying color for print (CMYK, Pantone swatches, etc.) do not apply. Monitors differ in the number of colors they can display at a time. On the high end, 24-bit monitors are capable of displaying nearly 17 million colors. 16-bit monitors can display over 65 thousand colors. On the low end, 8-bit monitors are able to display only 256 colors at a time.
RGB color
Computer monitors display colors by combining red, green, and blue light. This color system is known as RGB color.
RGB color is a 24-bit system, with eight bits of ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.