Sorry for the delay. Its probably easiest if you and others just post back to this forum the translations for the following colors:

$lang['color_title']='Equation Colour';
$lang['Transparent']='Transparent';
$lang['White']='White';
$lang['Black']='Black';
$lang['Red']='Red';
$lang['Green']='Green';
$lang['Yellow']='Yellow';
$lang['Cyan']='Cyan';
$lang['Magenta']='Magenta';
$lang['Teal']='Teal';
$lang['Purple']='Purple';
$lang['DarkBlue']='Dark Blue';
$lang['DarkRed']='Dark Red';
$lang['Orange']='Orange';
$lang['DarkOrange']='Dark Orange';
$lang['Golden']='Golden';
$lang['Pink']='Pink';
$lang['DarkGreen']='Dark Green';
$lang['Orchid']='Orchid';
$lang['Emerald']='Emerald';

Thanks.