Change Colors of Bar based on legend

It's a simple query. I am just trying to give different color to different legends in my bar graph. below is the XMLIncident Review Dashboard_new| datamodel Incident_Management Notable_Events search | stats count by severity -24h@hnow1ellipsisNone0visiblevisiblevisiblelinearlinear1200100inheritcolumn5010areagapslow,high,severe,mediumnone0.01stackedshinynone01ellipsisEnd[low,medium,high,severe]none[oxffbf00,0xFF0000,0xFFFF00,0x00FF00]01medium But in the dashboard, it's giving just one color to all bars i.e., the color code "0x40ff00". I think it's probably because in the bar chart the there's just one legend i.e., "count". Can somebody help how can i sort this out. I want color in the following format to the bars high-orange severe-red low-green medium-blue