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Fuzebox color ?
Moderator: adafruit

Please be positive and constructive with your questions and comments.

Fuzebox color ?

by beta260gtx on Sat Jul 25, 2009 8:00 am

Hi , i try to understand how 3bit of red , 3bit of green and 2bit of blue can = 256color!

if i try calculate it,

in binary , 111*111*11 =147
in dec. 7*7*3 = 147

where im wrong ?

because we can read on some webpage 256 simultaneous colors

tanks for your help
beta260gtx
 
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Re: Fuzebox color ?

by mwr on Sat Jul 25, 2009 10:06 am

111*111*11 in decimal is 7*7*3. What you want is 8*8*4=256.

This Wikipedia page should explain 8-bit color in general.
mwr
 
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Re: Fuzebox color ?

by uze6666 on Sat Jul 25, 2009 2:45 pm

3 bits is (2^3) and gives 8 possible colors, so (2^3)*(2^3)*(2^2) = 8*8*4 = 256.

-Uze
uze6666
 
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Re: Fuzebox color ?

by beta260gtx on Sun Jul 26, 2009 5:11 pm

ok yes i understand,

Tanks for your answer :D
beta260gtx
 
Posts: 2
Joined: Sat Jul 25, 2009 7:50 am

Please be positive and constructive with your questions and comments.