Set Color : Bar Chart by Expression

[Iamsoul69]

Hello ! 

  I am a beginner, I would like to know how to set expression on bar chart like this, 

So I need to set Top 3 Bar as other color  for different other bar , How can I set expression for this,

Thank you in advance!! 

[abhijitnalekar]

Do you have fix values in the dimension? 

[Iamsoul69]

don't fix, 

Thanks, 

[abhijitnalekar]

Hi @Iamsoul69 ,

Sorry for the late reply. Try adding the below expression in the color expression

=if(rank(measure)<3,red(),blue())