Redmine

Just add these code under your redmine\public\themes\classic\stylesheets\application.css file ,color will change follow the setting of issue priority !

@/* Issues Grid Styles By Priorities*/
table.list tr.issue a { color: #3c3c3c; }

/* P5 /
tr.odd.priority-5, table.list tbody tr.odd.priority-5:hover { color: #900; font-weight: bold; }
tr.odd.priority-5 { background: #ffc4c4; }
tr.even.priority-5, table.list tbody tr.even.priority-5:hover { color: #900; font-weight: bold; }
tr.even.priority-5 { background: #ffd4d4; }
tr.priority-5 a, tr.priority-5:hover a { color: #900; }
tr.odd.priority-5 td, tr.even.priority-5 td { border-color: #ffb4b4; }
/ P4 */
tr.odd.priority-4, table.list tbody tr.odd.priority-4:hover { color: #900; }
tr.odd.priority-4 { background: #ffc4c4; }
tr.even.priority-4, table.list tbody tr.even.priority-4:hover { color: #900; }
tr.even.priority-4 { background: #ffd4d4; }
tr.priority-4 a { color: #900; }
tr.odd.priority-4 td, tr.even.priority-4 td { border-color: #ffb4b4; }

/* P3 */
tr.odd.priority-3, table.list tbody tr.odd.priority-3:hover { color: #900; }
tr.odd.priority-3 { background: #fee; }
tr.even.priority-3, table.list tbody tr.even.priority-3:hover { color: #900; }
tr.even.priority-3 { background: #fff2f2; }
tr.priority-3 a { color: #900; }
tr.odd.priority-3 td, tr.even.priority-3 td { border-color: #fcc; }

/* P2 (2 is NORMAL So No Styles) */

/* P1 */
tr.odd.priority-1, table.list tbody tr.odd.priority-1:hover { color: #559; }
tr.odd.priority-1 { background: #eaf7ff; }
tr.even.priority-1, table.list tbody tr.even.priority-1:hover { color: #559; }
tr.even.priority-1 { background: #f2faff; }
tr.priority-1 a { color: #559; }
tr.odd.priority-1 td, tr.even.priority-1 td { border-color: #add7f3; }

/* END Issues Grid Styles By Priorities*/@