How to change color between different rows

Sometimes creating datawindow, programmer needs changes colors between rows. Usually it use for makes a different status, maybe student active in blue colors and not active in grey colors.
At datawindow, click details an insert color format like this. Format like this if(b,t,f) in other word if (boolean,true,false).

(student_status = 'A', RGB(153,204,204), RGB(153,153,153))