If format wrong colorPalette ?

[nwoolley]

Any ideas why this won't work tried a few variations

     <colorPalette type="expression">if (value ="Running" , "#53A051","#DC4E41")</colorPalette>
    </format>

Thanks

[nwoolley]

I need to use numbers sorry instead

its the if statement I need to check if Less Than 500

[nwoolley]

//// re added

if (value ="Running" , "#53A051","#DC4E41")