Html({
title => 'terminal colour cheat sheet',
- version => 'v1.0',
+ version => '1.0',
description => [
"Index of all terminal/console colour codes,",
"with an example result of various environments.",
stylesheet => [qw'light dark'],
});
-use List::Util 'min';
-
:>
<h1>Terminal colours</h1>
+<p>
+<span title="ECMA-48">ANSI</span> (VT100, ISO-6429) 16-colour text palette
+as implemented by various systems and programs.
+<:
+print
+ !exists $get{v} ? 'Also see <a href="?v">8-bit legacy hardware</a> palettes.' :
+ 'Also included are 8-bit legacy hardware palettes.';
+:>
+</p>
+
<div class="section">
<:
-sub luminance {
- # perceived brightness (using ITU-R recommendation 601 luma co-efficients)
- my ($r, $g, $b) = @_;
- return $r*.299 + $g*.587 + $b*.114;
-}
+use Shiar_Sheet::Colour '1.02';
+use List::Util qw( min max );
sub colcell {
- my $id = shift;
- my @rgb = @_ >= 3 ? @_ : (map {hex} $_[0] =~ /(..)/g);
- my $rgb24 = '';
- $rgb24 .= sprintf '%X', min($_ / 17 + .5, 15) for @rgb[0..2];
- my $rgb48 = '';
- $rgb48 .= sprintf '%02X', $_ for @rgb[0..2];
- my $inverse = sprintf('%X', luminance(@rgb)/255 < .3 ? 12 : 0) x 3;
- return sprintf '<td title="%s" style="%s">%s<td style="%s">%s<td style="%s">%s'."\n",
- join(',', map { int } @rgb[0..2]),
- "background:#$rgb48; color:#$inverse; padding:0 1ex",
- $id,
- "background:#000; color:#$rgb48",
- $rgb24,
- "background:#FFF; color:#$rgb48",
- $rgb24,
+ my $name = shift or return "<td colspan=3>\n";
+ my $col = Shiar_Sheet::Colour->new(@_);
+ my $minhex = $col->rgb24;
+ my $css = '#' . $col->rgb48;
+ my $inverse = '#' . sprintf('%X', $col->luminance/255 < .3 ? 12 : 0) x 3;
+
+ my $sample = [ qw(#000 #FFF) ];
+ ($name, $sample) = @$name if ref $name eq 'ARRAY';
+
+ my $out = sprintf('<td title="%s" style="%s">%s',
+ join(',', map { int } @$col),
+ "background:$css; color:$inverse; padding:0 1ex",
+ $name,
+ );
+ $out .= sprintf '<td style="%s"><code>%s</code>', "background:$_; color:$css", $minhex
+ for @$sample;
+ return "$out\n";
}
my %col = (
- -html => [
- qw/black maroon green olive navy purple cyan silver
- gray red lime yellow blue fuchsia aqua white/,
- qw/reset bold dim italic underline blink fastblink
- reverse hidden/,
- ],
html => [
- qw/000000 CCCCCC/,
- qw/000000 800000 008000 808000 000080 800080 008080 C0C0C0
- 808080 FF0000 00FF00 FFFF00 0000FF FF00FF 00FFFF FFFFFF/,
+ sprintf('<a title="%s" href="%s">html</a>',
+ 'HTML keywords (inherited by CSS≥2.1 and SVG), mostly identical to X11',
+ 'http://www.w3.org/TR/css3-color/#html4',
+ ),
+ qw/000000:black 800000:maroon 008000:green 808000:olive
+ 000080:navy 800080:purple 008080:cyan C0C0C0:silver
+ 808080:gray FF0000:red 00FF00:lime FFFF00:yellow
+ 0000FF:blue FF00FF:fuchsia 00FFFF:aqua FFFFFF:white /,
],
cga => [
- qw/000000 CCCCCC/,
+ undef, # linux console, kde?
qw/000000 AA0000 00AA00 AA5500 0000AA AA00AA 00AAAA AAAAAA
555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF/,
+# qw/reset bold dim italic underline blink fastblink reverse hidden/,
],
xterm => [
- qw/000000 CCCCCC/,
+ undef, # rxvt except for blues
qw/000000 CC0000 00CC00 CCCC00 4682B4 CC00CC 00CCCC E5E5E5
4C4C4C FF0000 00FF00 FFFF00 1E90FF FF00FF 00FFFF FFFFFF/,
],
tango => [
- qw/000000 CCCCCC/,
+ undef, # default Gnome theme
qw/2E3436 CC0000 4E9A06 C4A000 3465A4 75507B 06989A D3D7CF
555753 EF2929 8AE234 FCE94F 729FCF AD7FA8 34E2E2 EEEEEC/,
],
- -xkcd => [
- qw/black maroon green olive navy purple teal silver
- grey red lime yellow blue fuchsia cyan white/,
- ],
xkcd => [
- 0,0,
- qw/000000 650021 15b01a 6e750e 01153e 7e1e9c 029386 c5c9c7
- 929591 e50000 aaff32 ffff14 0343df ed0dd9 00ffff ffffff/,
+ sprintf('<a title="%s" href="%s">xkcd</a>',
+ 'human averages in xkcd survey results',
+ 'http://blog.xkcd.com/2010/05/03/color-survey-results/',
+ ),
+ qw/000000:black 650021:maroon 15b01a:green 6e750e:olive
+ 01153e:navy 7e1e9c:purple 029386:teal c5c9c7:silver
+ 929591:grey e50000:red aaff32:lime ffff14:yellow
+ 0343df:blue ed0dd9:fuchsia 00ffff:cyan ffffff:white /,
+ ],
+ android => [
+ sprintf('<a href="%s" title="%s">android</a>',
+ 'http://developer.android.com/guide/practices/ui_guidelines/icon_design.html',
+ 'recommended colour palette for Android icons',
+ ),
+ qw/FFFFFF:white BFBFBF:light 808080:medium 404040:dark
+ 000000:black 6699FF:blue1 3366CC:blue2 003399:blue3
+ 99CC33:green1 00CC00:green2 669933:green3 FFCC00:orange1
+ FF9900:orange2 FF6600:orange3 CC0000:red /,
+ ],
+ app => [
+ 'Term.app',
+ qw/000000 C23621 25BC24 ADAD27 492EE1 D338D3 33BBC8 CBCCCD
+ 818383 FC391F 31E722 EAEC23 5833FF F935F8 14F0F0 E9EBEB /,
+ ],
+ putty => [
+ 'PuTTY',
+ qw/000000 BB0000 00BB00 BBBB00 0000BB BB00BB 00BBBB BBBBBB
+ 555555 FF5555 55FF55 FFFF55 5555FF FF55FF 55FFFF FFFFFF /,
+ ],
+ slutty => [
+ sprintf('<a href="%s" title="%s">SluTTY</a>',
+ 'http://www.npjh.com/slutty.html',
+ 'PuTTY fork with light colour scheme',
+ ),
+ qw/000000 9C1D1D 6C9446 AC9A47 335786 8F6496 486768 E0DCDC
+ 2F2F2F CD5757 8FC35B D1C45E 5C81A9 BC95B7 76CBCB EEEEEC /,
+ ],
+ mac2 => [
+ 'MacII',
+ qw/FFFFFF FBF305 FF6403 DD0907 F20884 4700A5 0000D3 02ABEA
+ 1FB714 006412 562C05 90713A C0C0C0 808080 404040 000000 /,
+ ],
+ risc => [
+ 'RISC', # v2/3
+ qw/FFFFFF DDDDDD BBBBBB 999999 777777 555555 333333 000000
+ 004499 EEEE00 00CC00 DD0000 EEEEBB 558800 FFBB00 00BBFF /,
+ ],
+ c64 => [
+ 'C=64', # commodore 64/128
+ map {
+ # 5-bit luma ± 2-bit colour angle
+ my ($y, $neg, $hue) = split /(-)|\+/;
+
+ # convert to yuv
+ my ($u, $v) = (0, 0);
+ if (defined $hue) {
+ my $RAD = 3.14159;
+ $hue *= $RAD / 8;
+ $hue += $RAD if $neg;
+ $u = cos $hue;
+ $v = sin $hue;
+ }
+
+ # convert to rgb
+ $y *= 255 / 32;
+ $_ = $_ * 127.5 + 128 for $u, $v;
+ Shiar_Sheet::Colour->newyuv($y, $u, $v)->rgb48;
+ }
+ qw/ 0 32 10+5 20-5 12+2 16-2 8+0 24-0
+ 12+6 8+7 16+5 10 15 24-2 15+0 20 /,
+ ],
+ msx1 => [
+ 'MSX',
+ map {
+ my ($y, @c) = split /;/;
+ $y *= 255;
+ $_ = ($_ - .47) / .53 * 127.5 + 128 for @c;
+ Shiar_Sheet::Colour->newyuv($y, @c)->rgb48;
+ }
+ qw/ 0.00;0.47;0.47 0.00;0.47;0.47 0.53;0.20;0.07 0.67;0.27;0.17
+ 0.40;1.00;0.40 0.53;0.93;0.43 0.47;0.30;0.83 0.73;0.70;0.00
+ 0.53;0.27;0.93 0.67;0.27;0.93 0.73;0.07;0.57 0.80;0.17;0.57
+ 0.47;0.23;0.13 0.53;0.67;0.73 0.80;0.47;0.47 1.00;0.47;0.47 /,
+ ],
+ msx2 => [
+ 'MSX2',
+ map { s{([0-7])}{sprintf '%02X', $1 / 7 * 255}egr }
+ qw/ 000 000 161 373 117 237 511 267
+ 711 733 661 663 141 625 555 777 /,
+ ],
+ arnejmp => [
+ sprintf('<a href="%s" title="%s">%s</a>',
+ 'http://androidarts.com/palette/16pal.htm',
+ "Arne's Japanese Machine Palette v3 (MSX)",
+ 'A:JMP',
+ ),
+ qw/ 000000 191028 46AF45 A1D685 453E78 7664FE 833129 9EC2E8
+ DC534B E18D79 D6B97B E9D8A1 216C4B D365C8 AFAAB9 F5F4EB /,
+ ],
+ arnegame => [
+ sprintf('<a href="%s" title="%s">%s</a>',
+ 'http://androidarts.com/palette/16pal.htm',
+ 'Generic 16 color game palette v20 by Arne Niklas Jansson',
+ 'Arne',
+ ),
+ qw/ 000000::void 9D9D9D::ash FFFFFF::blind BE2633::bloodred
+ E06F8B::pigmeat 493C2B::oldpoop A46422::newpoop EB8931::blaze
+ F7E26B::zornskin 2F484E::shade 44891A::leaf A3CE27::slime
+ 1B2632::night 005784::sea 31A2F2::sky B2DCEF::cloud /,
],
);
-for my $term (qw/html cga xterm tango xkcd/) {
+if ($get{v}) {
+ my %reorder = (
+ arnegame => [ 0,5,9,12 , 3,6,10,13,1 , 4,7,8,11,14,15,2 ],
+ arnegame => [ 0,3,10,6,12,9,13,1 , 5,7,11,8,14,4,15,2 ],
+ c64 => [ 0,2,5,9,6,4,3,15 , 11,10,13,7,14,8,12,1 ],
+ msx2 => [ 0,6,2,10,4,13,7,14 , 1,8,3,11,5,9,12,15 ],
+ risc => [ 7,11,13,14,8,12,15,1, 6,5,10,9,4,3,2,0],
+ mac2 => [ 15,3,9,11,6,5,7,12 , 14,2,8,1,13,4,10,0 ],
+ );
+ $reorder{$_} = $reorder{msx2} for qw( msx1 arnejmp );
+ while (my ($name, $order) = each %reorder) {
+ for my $pal ( $col{$name}) {
+ $pal = [ map { $pal->[$_ + 1] =~ s/:|$/:$_/r } -1, @{$order} ];
+ }
+ }
+}
+
+my @termlist = qw( cga xterm tango app html xkcd );
+push @termlist, qw( c64 msx2 mac2 risc arnegame ) if exists $get{v};
+for my $term (@termlist) {
print '<table>', "\n";
- print "<caption>$term</caption>\n";
- for my $num (0 .. 15) {
- my $rgb = $col{$term}[$num + 2];
- print '<tr>',
- colcell($col{"-$term"}[$num] || $num, $rgb, $col{$term}[0]);
+ printf "<caption>%s</caption>\n", $col{$term}[0] || $term;
+ for my $num (1 .. $#{ $col{$term} }) {
+ my ($rgb, $name) = split /:/, $col{$term}[$num], 3;
+ $name ||= $num - 1;
+ $name = [ $name, ['#333'] ] if $term eq 'xkcd';
+ print '<tr>', colcell($name, $rgb);
}
print "</table>\n\n";
}
<div class="section">
<h2>256-colour space</h2>
<:
+my @colmap; # saturation => value => hue => colcell
for my $r (0 .. 5) {
- print '<table>';
for my $g (0 .. 5) {
- print '<tr>';
for my $b (0 .. 5) {
my $index = $r*6*6 + $g*6 + $b + 16;
- print colcell($index, map { $_ && $_*40 + 55 } $r, $g, $b);
+ my @rgb = map { $_ && $_*40 + 55 } $r, $g, $b;
+
+ my $h = Shiar_Sheet::Colour->new(@rgb)->hue * 35;
+ my $v = int(max(@rgb) / 255 * 5);
+ my $s = abs(min(@rgb) - max(@rgb)) / 255 * 7;
+ my $grey = !$s;
+
+ $h-- for grep {$h >= $_} 4, 6, 16, 19, 28, 31;
+ $v = 5 - $v;
+ $s = 7 - $s - $v;
+ $s-- if $s;
+
+ if ($grey) {
+ $h = 30; # greyscale hue
+ $s -= 2; # lowest saturation for other hues
+ $v = $s = 0 if $s < 0; # black at full saturation
+ }
+
+ $colmap[$s][$v][$h] = [$index, @rgb];
}
}
+}
+
+{
+ print '<table class=mapped>';
+ printf '<colgroup span=%d>', 3 * @{$_} for @colmap;
+ for my $h (0 .. 30) {
+ print '<tr>';
+ print colcell(@$_) for map { $_->[$h] } map { @{$_} } @colmap;
+ }
print "</table>\n";
}
print "\n";
+ print '<table>';
for my $row (0, 12) {
- print '<table><tr>';
+ print '<tr>';
print colcell(232+$_, ($_*10 + 8) x 3) for $row .. $row+11;
- print "</table>\n";
}
+ print "</table>\n";
print "\n";
:></div>