The options available are:
Back-for-Fore => User enters a background color for a palette of 256 text foreground colors
Back-for-Fore-4k => User enters a background color for a palette of 4096 text foreground colors
Note: This is a large page and takes several seconds for the calculations to be completed.
Fore-for-Back => User enters a foreground color for a palette of 256 background colors
Fore-for-Back-4k => User enters a foreground color for a palette of 4096 background colors
Note: This is a large page and takes several seconds for the calculations to be completed.
Note: The calculated ratio for a pair of colors is identical, irrespective of which one is on top, or underneath in the background. The options simply allow the user to choose the foreground color or the background color to test. The appearance will also be different.
For more details see the About page.
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