-<div class="section">
-<h2>256-colour space</h2>
-<:
-my @colmap; # saturation => value => hue => [name, r,g,b]
-my %greymap; # name => value
-$greymap{232 + $_} = $_*10 + 8 for 0 .. 23;
+ for my $r (0 .. $dim - 1) {
+ for my $g (0 .. $dim - 1) {
+ for my $b (0 .. $dim - 1) {
+ my $index = $r*$dim*$dim + $g*$dim + $b + $offset;
+ my @rgb = ($r, $g, $b);
+
+ my $h = Shiar_Sheet::Colour->new(@rgb)->hue * $hmax;
+ my $v = max(@rgb);
+ my $s = abs(min(@rgb) - max(@rgb));