colored_list.js

// ==UserScript==
// @name         trello list colors
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Highlight certain columns in Trello.
// @author       RJ Lewis
// ==/UserScript==

$(document).ready(function() {

var green = '#61bd4f',
yellow = '#f2d600',
orange = '#ffab4a',
red = '#eb5a46',
purple = '#c377e0',
blue = '#0079bf',
sky = '#00c2e0',
lime = '#51e898',
pink = '#ff80ce',
black = '#4d4d4d',
white = '#fff',
clear = '#b6bbbf';

$('body').hover(function() {
$("h2:contains('[1]')").css('color', black).parents('.list').css('background', green);
$("h2:contains('[2]')").css('color', black).parents('.list').css('background', yellow);
$("h2:contains('[3]')").css('color', black).parents('.list').css('background', orange);
$("h2:contains('[4]')").css('color', white).parents('.list').css('background', red);
$("h2:contains('[5]')").css('color', black).parents('.list').css('background', purple);
$("h2:contains('[6]')").css('color', white).parents('.list').css('background', blue);
$("h2:contains('[7]')").css('color', white).parents('.list').css('background', sky);
$("h2:contains('[8]')").css('color', black).parents('.list').css('background', lime);
$("h2:contains('[9]')").css('color', white).parents('.list').css('background', pink);
$("h2:contains('[10]')").css('color', white).parents('.list').css('background', black);
});
});