PS1 and color of cygwin screen

[J. David Boyd]

How about a clue as to what I need to read to decipher what 
the different items in PS1 do?
 
I would like to change the color of my cygwin environment, and 
I'm presuming that this is where I would do it...
 
Dave
BEGIN:VCARD
VERSION:2.1
N:Boyd;J.;David
FN:J. David Boyd
ORG:Transportation Systems Consulting Corporation
TITLE:Software Engineer
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REV:20001220T131821Z
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