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Report Abuse. The colors on the urine testing strip indicate the different concentrations of sugar in the urine. for example, the dark brown shade indicates highest concentration(++++),whereas light blue indicates nil sugar in the urine.There are other shades inbetween indicating 1/2,1,1 1/2 percent sugar.eport Abuse. The colors on the urine testing strip indicate the different concentrations of sugar in the urine. for example, the dark brown shade indicates highest concentration(++++),whereas light blue indicates nil sugar in the urine.There are other shades inbetween indicating 1/2,1,1 1/2 percent sugar.
1 This may mean you have bile in your urine or a problem with your liver.  Pink or red urine can simply indicate youâve eaten red-tinted food. On a more serious note, this can also be a sign of blood in your urine. Bloody urine may indicate internal injury, kidney issues, or cancer.