Stop PressNote added 1996-02-28: The advice on the remainder of this page has been superseded by a more complete solution. See the Browser Safe palette page for a cogent discussion of the problem. It comes from the new book Designing Web Graphics (ISBN 1-56205-532, New Riders, $50.00 USA / $68.95 Canada) by Lynda Weinman <firstname.lastname@example.org>. Using this 216-color palette offers the best available color compromise among platforms. See the author's charts that catalogue the 216 colors by hue and by value.
>> Is there a standard set of colors that display the same in Mac or Win-
>> dows? I had created a background color... that made text unreadable by
>> Windows users, and it had to be turned back to gray.
The best answer came from David Holzgang (for whom I could not find an email address), who has written a book about HTML publishing using the Macintosh, forthcoming from Ventana Press: HTML Publishing on the Internet for Macintosh (ISBN 1-56604-228-3).
> This is a common problem on the Net... Windows uses an 8-bit (256) color
> palette for its displays, no matter what the screen device may be. It
> reserves 20 colors in its palette for the system, and changes the other
> colors based on the currently active window... The Mac only reserves two
> colors (Black and White)... The trick to making your colors come out OK
> across all platforms is to use ju-jitsu on Windows -- by sticking to the
> base 20 colors. Here is a list of these 20 colors, including their RGB
> values in both decimal and hexadecimal (used by Netscape's color HTML
--- RGB Values --- Color Decimal Hex Black 0,0,0 00,00,00 Dark Red 128,0,0 80,00,00 Dark Green 0,128,0 00,80,00 Dark Yellow 128,128,0 80,80,00 Dark Blue 0,0,128 00,00,80 Dark Magenta 128,0,128 80,00,80 Dark Cyan 0,128,128 00,80,80 Light Gray 192,192,192 C0,C0,C0 Grass Green 192,220,192 C0,DC,C0 Light Blue 166,202,240 A6,CA,F0 Cream 255,251,240 FF,FB,F0 Medium Gray 160,160,164 A0,A0,A4 Dark Gray 128,128,128 80,80,80 Red 255,0,0 FF,00,00 Green 0,255,0 00,FF,00 Blue 0,0,255 00,00,FF Yellow 255,255,0 FF,FF,00 Magenta 255,0,255 FF,00,FF Cyan 0,255,255 00,FF,FF White 255,255,255 FF,FF,FF