proc report data=sashelp.prdsale;
where region = "&REGION." and Country = "&COUNTRY";
column Country Region Division ProdType Product Year Quarter Predict Actual;
define Predict / analysis mean 'Predicted Sales (Avg)';
define Actual / analysis mean 'Actual Sales (Avg)';
/* begin row alternating code */
compute Country;
	count+1;
		if (mod(count,2)) then do;
			"STYLE=[BACKGROUND=#EEE8DC /* FOREGROUND=WHITE */
			FONT_Weight=BOLD]");
		end;
endcomp;
run;

http://www.bi-notes.com/2012/10/stored-process-using-alternating-background-color-with-proc-report/

Adding alternating row of color to make proc report output easier to read.

Using Alternating Background Color with PROC REPORT

background, color

SAS