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TipPro
Joined: Eons Ago
# Posts: 28
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Posted: 2003-Oct-05 00:43
Can some one explain the importance of Web safe colors. I am redesigning a page and I would like to use colors outside the Web safe color spectrum but is there a reason I should not? I have not yet designed a page using just Web safe colors and I have never received any criticism for it so I am confused.
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stevenjm
Joined: Eons Ago
# Posts: 824
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Posted: 2003-Oct-06 11:21
To cover old pc,s only using 8 bit graphics and cover old browser differences. (a subset of the 8 bit 256 colors).
importance? I guess you would need to check your logs for that.
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crash
Staff
Joined: Dec 02, 2003
# Posts: 10626
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Posted: 2003-Oct-07 17:30
There are 216 web safe colors, not 256.
The problem lies in how a monitor displays color, not the browser. Only 216 of the color choices available display exactly the same on all monitors.
Here's a pretty good article explaining it [WDJ: All you need to know about web safe colors] .
From experience, I was developing a site whose primary color was gray, charcole gray (background) to various other shades of gray with lime green text. (It looked pretty cool  ) On my computer the charcole gray was charcole gray, as it was on other monitors I looked at.. but a friend kept insisting it was dark purple.. thought he was smoking something for sure.. until one day I finally saw in on a diff friends monitor. Sure enough my lovely charcole gray was looking might Dark Plum on her monitor.. ack!
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PCInk
Joined: Sep 13, 2001
# Posts: 479
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Posted: 2003-Oct-07 18:55
stevenjm is correct: it is a SUBSET of the 256 colours, giving 216 colours.
The reason for this is the differing systems that use a different set of colours for a 256 colour display. For example, PCs tend to use 256 colours whilst Acorn computers actually use 64 colours, each with 4 different brightness levels and Macs...well Im not sure exactly how they did it. The PC and Acorn systems actually meant that some colours were available on one system, but not the other.
The 216 subset is to compensate for this discrepancy and is a set that all computers should get a very near match for without having to mix two colours together (one pixel one colour, the next pixel a different, not an actual mix) which can look bad and make text on it difficult to read.
The 216 websafe pallette should always look similar on all systems, however, be very wary of LCD and CRT monitors. Colours can look different on these two different types of screen.
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crash
Staff
Joined: Dec 02, 2003
# Posts: 10626
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Posted: 2003-Oct-07 20:54
stevenjm is correct: it is a SUBSET of the 256 colours, giving 216 colours.
ya, like i said, there are 216 web safe colors not 256 and it's the monitor display not the browser rendering.
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stevenjm
Joined: Eons Ago
# Posts: 824
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Posted: 2003-Oct-08 02:10
I stand corrected - monitor not browser. 
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