Have you ever looked inside pref.txt at the settings for the Data, Heading and Totals colors? Have you wondered what color combinations you should use? If you are like me and you said yes, this posting is for you.
Here are the defaults that you will see inside pref.txt:
Data Format: foreground="0,0,0" background="255,255,255"
Heading Format: foreground="0,0,0" background="247,247,231"
Totals Format: foreground="0,0,0" background="247,247,231"
But what do these mean? Well, the three sets of numbers are the R-G-B (Red, Green, Blue) combinations. In the following illustrations you will find the most common used background color combinations. Most of these are displayed with a foreground color of black (0,0,0) but a few use white (255,255,255) as the foreground to show the contrast.
By the way, if you have also wondered about the colors that Discoverer uses to highlight areas of the screen, to work out the highlight color you subtract the R-G-B number from 255 and use that. So, for example, let's say your data color is Aquamarine, which is 127,255,212, the highlight color will be 128,0,43.
You will find pref.txt located at $ORACLE_HOME\Discoverer\util
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