Gauge chart

[smilingjohn]

Hi Expertise,

I am trying to implement a gauge chart and I am totally nw to qliksense. 

I am using one expression and see that the gauge chart apepars  But how can i put the colors to the gauge chart ? 

Like I i have the expression  sum(Sales) 

I need the gauge chart to show always three colors .. as below 

If(Sum(Sales)<=60,red(),

If Sum(Sales)>60 and Sum(Sales)<=75 Yellow(),Green()))

How can I achive this ? 

Thanks in Advance 

[smilingjohn]

I got this 

It was within presentation

Thanks