New on CTAN: ninecolors

[CTAN Announcements]

Jianrui Lyu submitted the

                ninecolors

package.

Version:  2021A 2021-04-11
License:  lppl1.3

Summary description:  Select colors with proper WCAG color contrast

Announcement text:
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 The ninecolors package carefully selects and defines 9 colors
 for 13 hues each. All colors with the same suffix number have
 equal luminance level.
 Also color black is of level 0, and color white is of level 10.

 By simply choosing two colors in the above list, which differ
 in level by at least 5, as foreground and background colors,
 you will get proper WCAG Color Contrast.

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The package’s Catalogue entry can be viewed at
   https://ctan.org/pkg/ninecolors

The package’s files themselves can be inspected at
   http://mirror.ctan.org/macros/latex/contrib/ninecolors/

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   Thanks for the upload.

     For the CTAN Team
    Petra Rübe-Pugliese

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