I've added into dashboard like below but its not working, can u pls help to have some nice background color and font color.
<single>
<title>Authentication Authorization Administration</title>
<search>
<query>index="index"| rex "(?:[^\t\n]*\t){16}(?P<runcode>[^\t]*)"|rex "(?:[^\t\n]*\t){17}(?P<reasoncode>[^\t]*)" | rex max_match=0 "<messageString>(?<reasoncode>[^\\<\"]*)"|eval reason_sub_code=substr(reasoncode,1,7) | search runcode=Failure | stats count</query>
<earliest>0</earliest>
<sampleRatio>1</sampleRatio>
</search>
<option name="drilldown">all</option>
<option name="rangeColors">["0x65a637","0xf58f39","0xd93f3c"]</option>
<option name="rangeValues">[1,2]</option>
</single>
<single>
