6 :><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
7 "http://www.w3.org/TR/html4/loose.dtd">
11 <title>terminal colour cheat sheet</title>
12 <meta http-equiv="content-type" content="utf-8">
13 <:= stylesheet(qw'light') :>
17 <h1>Terminal colours</h1>
22 # perceived brightness (using ITU-R recommendation 601 luma co-efficients)
24 return $r*.299 + $g*.587 + $b*.114;
29 my @rgb = @_ >= 3 ? @_ : (map {hex} $_[0] =~ /(..)/g);
31 $rgb24 .= sprintf '%X', min($_ / 17 + .5, 15) for @rgb[0..2];
33 $rgb48 .= sprintf '%02X', $_ for @rgb[0..2];
34 my $inverse = sprintf('%X', luminance(@rgb)/255 < .3 ? 12 : 0) x 3;
35 return sprintf '<td style="%s; padding:0 1ex">%s<td style="%s">%s<td style="%s">%s'."\n",
36 "background:#$rgb48; color:#$inverse",
38 "background:#000; color:#$rgb48",
40 "background:#FFF; color:#$rgb48",
46 qw/black maroon green olive navy purple cyan silver
47 gray red lime yellow blue fuchsia aqua white/,
48 qw/reset bold dim italic underline blink fastblink
53 qw/000000 800000 008000 808000 000080 800080 008080 C0C0C0
54 808080 FF0000 00FF00 FFFF00 0000FF FF00FF 00FFFF FFFFFF/,
58 qw/000000 AA0000 00AA00 AA5500 0000AA AA00AA 00AAAA AAAAAA
59 555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF/,
63 qw/000000 CC0000 00CC00 CCCC00 4682B4 CC00CC 00CCCC E5E5E5
64 4C4C4C FF0000 00FF00 FFFF00 1E90FF FF00FF 00FFFF FFFFFF/,
68 qw/2E3436 CC0000 4E9A06 C4A000 3465A4 75507B 06989A D3D7CF
69 555753 EF2929 8AE234 FCE94F 729FCF AD7FA8 34E2E2 EEEEEC/,
73 for my $term (qw/html cga xterm tango/) {
74 print '<table>', "\n";
75 print "<caption>$term</caption>\n";
76 for my $num (0 .. 15) {
77 my $rgb = $col{$term}[$num + 2];
79 colcell($col{"-$term"}[$num] || $num, $rgb, $col{$term}[0]);
88 <h2>88-colour space</h2>
95 my $index = $r*4*4 + $g*4 + $b + 16;
96 print colcell($index, map {(0, 139, 205, 255)[$_]} $r, $g, $b);
104 print colcell(80, ($_) x 3) for 46, 92, 115, 139, 162, 185, 208, 231;
105 print "</table>\n\n";
110 <div class="section">
111 <h2>256-colour space</h2>
118 my $index = $r*6*6 + $g*6 + $b + 16;
119 print colcell($index, map { $_ && $_*40 + 55 } $r, $g, $b);
126 for my $row (0, 12) {
128 print colcell(232+$_, ($_*10 + 8) x 3) for $row .. $row+11;
137 <a href="/" rel="home">sheet.shiar.nl</a>/termcol.<a href="/source/termcol.plp"
138 rel="code" title="Written in Perl">plp</a>
139 <a href="http://git.shiar.nl/sheet.git/history/HEAD:/termcol.plp"
140 rel="vcs-git" title="Git repository"><:= $VERSION :></a>
141 created by <a href="http://shiar.nl/" rel="author">Shiar</a> •
142 <a href="http://www.fsf.org/licensing/licenses/agpl-3.0.html" rel="copyright"
143 title="Licensed under the GNU Affero General Public License, version 3">AGPLv3</a>