Raw Source
tris0020 / Primo-Black 

// ==UserScript==
// @name        Primo-Black
// @namespace   Primo-Black
// @description Makes the Primo barcode return to black
// @include     http://primo.lib.umn.edu/*
// @include     http://na01.alma.exlibrisgroup.com/*
// @include     https://primo.lib.umn.edu/*
// @include     https://na01.alma.exlibrisgroup.com/*
// @updateURL   https://openuserjs.org/install/tris0020/Primo-Black.user.js
// @version     1.2
// @author      Kyle Triska
// @copyright   2017, Kyle Triska
// @grant       GM_addStyle
// @run-at document-idle
// ==/UserScript==

GM_addStyle ("#TABLE_DATA_item_list td:first-of-type {color: black !important;}");
GM_addStyle ("#TABLE_DATA_item_list th:first-of-type {color: black !important;}");