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authorNorbert Preining <norbert@preining.info>2021-04-12 03:01:29 +0000
committerNorbert Preining <norbert@preining.info>2021-04-12 03:01:29 +0000
commit72c29070e5c574da1a734cb90214754b2f3aa698 (patch)
tree75d0363f99a91e571bf7b981f82e8f1c2acb696a /macros/latex/contrib/ninecolors
parent9b552e1a4637af098a01847c97658f65bc505356 (diff)
CTAN sync 202104120301
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-rw-r--r--macros/latex/contrib/ninecolors/ninecolors.pdfbin0 -> 14750 bytes
-rw-r--r--macros/latex/contrib/ninecolors/ninecolors.sty143
-rw-r--r--macros/latex/contrib/ninecolors/ninecolors.tex89
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diff --git a/macros/latex/contrib/ninecolors/README b/macros/latex/contrib/ninecolors/README
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+Ninecolors: Select colors with proper WCAG color contrast
+Author : Jianrui Lyu <tolvjr@163.com>
+Repository: https://github.com/lvjr/ninecolors
+License : The LaTeX Project Public License 1.3
diff --git a/macros/latex/contrib/ninecolors/ninecolors.pdf b/macros/latex/contrib/ninecolors/ninecolors.pdf
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diff --git a/macros/latex/contrib/ninecolors/ninecolors.sty b/macros/latex/contrib/ninecolors/ninecolors.sty
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+%%% -*- coding: utf-8 -*-
+%%% ----------------------------------------------------------------------------
+%%% Ninecolors: Select colors with proper WCAG color contrast
+%%% Author : Jianrui Lyu <tolvjr@163.com>
+%%% Repository: https://github.com/lvjr/ninecolors
+%%% License : The LaTeX Project Public License 1.3
+%%% ----------------------------------------------------------------------------
+
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesClass{ninecolors}[2021/04/11 v2021A Select colors with proper color contrast]
+\RequirePackage{xcolor}
+\selectcolormodel{rgb}
+
+\definecolor{gray1}{gray}{0.14}
+\definecolor{gray2}{gray}{0.23}
+\definecolor{gray3}{gray}{0.30}
+\definecolor{gray4}{gray}{0.38}
+\definecolor{gray5}{gray}{0.46}
+\definecolor{gray6}{gray}{0.55}
+\definecolor{gray7}{gray}{0.64}
+\definecolor{gray8}{gray}{0.75}
+\definecolor{gray9}{gray}{0.87}
+
+\definecolor{red1}{Hsb}{0,0.67,0.26}%{0,0.95,0.31}
+\definecolor{red2}{Hsb}{0,0.67,0.41}
+\definecolor{red3}{Hsb}{0,0.67,0.54}
+\definecolor{red4}{Hsb}{0,0.67,0.67}
+\definecolor{red5}{Hsb}{0,0.60,0.77}
+\definecolor{red6}{Hsb}{0,0.46,0.81}
+\definecolor{red7}{Hsb}{0,0.34,0.86}
+\definecolor{red8}{Hsb}{0,0.22,0.90}
+\definecolor{red9}{Hsb}{0,0.11,0.95}
+
+\definecolor{brown1}{Hsb}{30,0.67,0.19}
+\definecolor{brown2}{Hsb}{30,0.67,0.31}
+\definecolor{brown3}{Hsb}{30,0.67,0.41}
+\definecolor{brown4}{Hsb}{30,0.67,0.51}
+\definecolor{brown5}{Hsb}{30,0.67,0.62}
+\definecolor{brown6}{Hsb}{30,0.67,0.74}
+\definecolor{brown7}{Hsb}{30,0.49,0.80}
+\definecolor{brown8}{Hsb}{30,0.32,0.86}
+\definecolor{brown9}{Hsb}{30,0.15,0.93}
+
+\definecolor{yellow1}{Hsb}{60,0.67,0.15}
+\definecolor{yellow2}{Hsb}{60,0.67,0.23}
+\definecolor{yellow3}{Hsb}{60,0.67,0.31}
+\definecolor{yellow4}{Hsb}{60,0.67,0.39}
+\definecolor{yellow5}{Hsb}{60,0.67,0.47}
+\definecolor{yellow6}{Hsb}{60,0.67,0.56}
+\definecolor{yellow7}{Hsb}{60,0.67,0.66}
+\definecolor{yellow8}{Hsb}{60,0.59,0.77}
+\definecolor{yellow9}{Hsb}{60,0.27,0.88}
+
+\definecolor{olive1}{Hsb}{90,0.67,0.16}
+\definecolor{olive2}{Hsb}{90,0.67,0.25}
+\definecolor{olive3}{Hsb}{90,0.67,0.33}
+\definecolor{olive4}{Hsb}{90,0.67,0.42}
+\definecolor{olive5}{Hsb}{90,0.67,0.51}
+\definecolor{olive6}{Hsb}{90,0.67,0.60}
+\definecolor{olive7}{Hsb}{90,0.67,0.71}
+\definecolor{olive8}{Hsb}{90,0.48,0.81}
+\definecolor{olive9}{Hsb}{90,0.22,0.90}
+
+\definecolor{green1}{Hsb}{120,0.67,0.16}
+\definecolor{green2}{Hsb}{120,0.67,0.26}
+\definecolor{green3}{Hsb}{120,0.67,0.35}
+\definecolor{green4}{Hsb}{120,0.67,0.44}
+\definecolor{green5}{Hsb}{120,0.67,0.53}
+\definecolor{green6}{Hsb}{120,0.67,0.63}
+\definecolor{green7}{Hsb}{120,0.67,0.74}
+\definecolor{green8}{Hsb}{120,0.42,0.83}
+\definecolor{green9}{Hsb}{120,0.19,0.91}
+
+\definecolor{teal1}{Hsb}{150,0.67,0.16}
+\definecolor{teal2}{Hsb}{150,0.67,0.26}
+\definecolor{teal3}{Hsb}{150,0.67,0.34}
+\definecolor{teal4}{Hsb}{150,0.67,0.43}
+\definecolor{teal5}{Hsb}{150,0.67,0.52}
+\definecolor{teal6}{Hsb}{150,0.67,0.62}
+\definecolor{teal7}{Hsb}{150,0.67,0.73}
+\definecolor{teal8}{Hsb}{150,0.44,0.82}
+\definecolor{teal9}{Hsb}{150,0.20,0.91}
+
+\definecolor{cyan1}{Hsb}{180,0.67,0.16}
+\definecolor{cyan2}{Hsb}{180,0.67,0.25}
+\definecolor{cyan3}{Hsb}{180,0.67,0.33}
+\definecolor{cyan4}{Hsb}{180,0.67,0.42}
+\definecolor{cyan5}{Hsb}{180,0.67,0.51}
+\definecolor{cyan6}{Hsb}{180,0.67,0.60}
+\definecolor{cyan7}{Hsb}{180,0.67,0.71}
+\definecolor{cyan8}{Hsb}{180,0.47,0.81}
+\definecolor{cyan9}{Hsb}{180,0.21,0.90}
+
+\definecolor{azure1}{Hsb}{210,0.67,0.22}
+\definecolor{azure2}{Hsb}{210,0.67,0.35}
+\definecolor{azure3}{Hsb}{210,0.67,0.47}
+\definecolor{azure4}{Hsb}{210,0.67,0.59}
+\definecolor{azure5}{Hsb}{210,0.67,0.71}
+\definecolor{azure6}{Hsb}{210,0.56,0.78}
+\definecolor{azure7}{Hsb}{210,0.41,0.83}
+\definecolor{azure8}{Hsb}{210,0.27,0.88}
+\definecolor{azure9}{Hsb}{210,0.13,0.94}
+
+\definecolor{blue1}{Hsb}{240,0.67,0.34}
+\definecolor{blue2}{Hsb}{240,0.67,0.53}
+\definecolor{blue3}{Hsb}{240,0.67,0.70}
+\definecolor{blue4}{Hsb}{240,0.58,0.77}
+\definecolor{blue5}{Hsb}{240,0.48,0.81}
+\definecolor{blue6}{Hsb}{240,0.39,0.84}
+\definecolor{blue7}{Hsb}{240,0.29,0.87}
+\definecolor{blue8}{Hsb}{240,0.19,0.91}
+\definecolor{blue9}{Hsb}{240,0.10,0.95}
+
+\definecolor{violet1}{Hsb}{270,0.67,0.29}
+\definecolor{violet2}{Hsb}{270,0.67,0.45}
+\definecolor{violet3}{Hsb}{270,0.67,0.60}
+\definecolor{violet4}{Hsb}{270,0.67,0.75}
+\definecolor{violet5}{Hsb}{270,0.54,0.79}
+\definecolor{violet6}{Hsb}{270,0.43,0.82}
+\definecolor{violet7}{Hsb}{270,0.32,0.86}
+\definecolor{violet8}{Hsb}{270,0.21,0.90}
+\definecolor{violet9}{Hsb}{270,0.11,0.95}
+
+\definecolor{magenta1}{Hsb}{300,0.67,0.23}
+\definecolor{magenta2}{Hsb}{300,0.67,0.37}
+\definecolor{magenta3}{Hsb}{300,0.67,0.49}
+\definecolor{magenta4}{Hsb}{300,0.67,0.61}
+\definecolor{magenta5}{Hsb}{300,0.67,0.74}
+\definecolor{magenta6}{Hsb}{300,0.51,0.80}
+\definecolor{magenta7}{Hsb}{300,0.37,0.84}
+\definecolor{magenta8}{Hsb}{300,0.24,0.89}
+\definecolor{magenta9}{Hsb}{300,0.12,0.94}
+
+\definecolor{purple1}{Hsb}{330,0.67,0.25}
+\definecolor{purple2}{Hsb}{330,0.67,0.39}
+\definecolor{purple3}{Hsb}{330,0.67,0.52}
+\definecolor{purple4}{Hsb}{330,0.67,0.65}
+\definecolor{purple5}{Hsb}{330,0.63,0.76}
+\definecolor{purple6}{Hsb}{330,0.48,0.81}
+\definecolor{purple7}{Hsb}{330,0.35,0.85}
+\definecolor{purple8}{Hsb}{330,0.23,0.90}
+\definecolor{purple9}{Hsb}{330,0.11,0.95}
+
diff --git a/macros/latex/contrib/ninecolors/ninecolors.tex b/macros/latex/contrib/ninecolors/ninecolors.tex
new file mode 100644
index 0000000000..cdda3624bd
--- /dev/null
+++ b/macros/latex/contrib/ninecolors/ninecolors.tex
@@ -0,0 +1,89 @@
+% -*- coding: utf-8 -*-
+\documentclass{article}
+\usepackage[a4paper,margin=1.5cm]{geometry}
+
+\usepackage{ninecolors}
+\usepackage{arev}
+\usepackage{pgffor}
+\usepackage{hyperref}
+\hypersetup{
+ colorlinks=true,
+ urlcolor=blue3,
+}
+
+\newcommand*{\myversion}{2021A}
+\newcommand*{\mydate}{\the\year/\mylpad\month/\mylpad\day\ (v\myversion)}
+\newcommand*{\mylpad}[1]{\ifnum#1<10 0\the#1\else\the#1\fi}
+
+\begin{document}
+
+\title{\href{https://github.com/lvjr/ninecolors}{Ninecolors: select colors with proper WCAG color contrast}}
+\author{Jianrui Lyu (tolvjr@163.com)}
+\date{\mydate}
+\maketitle
+
+\textcolor{red4}{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.
+
+\bigskip
+
+\foreach \l in {1,...,9}
+{
+ \noindent
+ \foreach \n in {gray,red,brown,yellow,olive,green,teal,cyan,azure,blue,violet,magenta,purple}
+ {%
+ \xdef\mycolor{\ifnum \l < 5 white\else black\fi}%
+ \colorbox{\n\l}{\color{\mycolor}\texttt\strut\n\l}%
+ }
+ \par
+}
+
+\bigskip
+
+\foreach \l in {1,...,9}
+{
+ \noindent
+ \foreach \n in {gray,red,brown,yellow,olive,green,teal,cyan,azure,blue,violet,magenta,purple}
+ {%
+ \xdef\mycolor{\ifnum \l < 5 gray9\else black\fi}%
+ \colorbox{\mycolor}{\color{\n\l}\texttt\strut\n\l}%
+ }
+ \par
+}
+
+\bigskip
+\hrule
+\bigskip
+
+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
+\href{https://www.w3.org/WAI/WCAG21/Understanding/contrast-minimum.html}{WCAG Color Contrast}.
+
+\bigskip
+
+\colorbox{blue9}{%
+ \strut\color{green3}The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.
+}
+\par\nointerlineskip
+\colorbox{green3}{%
+ \strut\color{blue9}The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.
+}
+\par\nointerlineskip
+\colorbox{violet9}{%
+ \strut\color{brown3}The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.
+}
+\par\nointerlineskip
+\colorbox{brown3}{%
+ \strut\color{violet9}The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog.
+}
+
+\bigskip
+\hrule
+\bigskip
+
+If you need to select more contrasting foreground and background colors, which may have other hues,
+you could visit \href{https://lvjr.bitbucket.io/contrast.html}{WCAG Color Contrast Tool}
+page which is designed by the author.
+
+\end{document}