diff --git a/x-pack/plugins/apm/public/components/shared/charts/spark_plot/index.tsx b/x-pack/plugins/apm/public/components/shared/charts/spark_plot/index.tsx
index af5471ddff5af..a89d36f708990 100644
--- a/x-pack/plugins/apm/public/components/shared/charts/spark_plot/index.tsx
+++ b/x-pack/plugins/apm/public/components/shared/charts/spark_plot/index.tsx
@@ -76,7 +76,7 @@ export function SparkPlot({
               justifyContent: 'center',
             }}
           >
-            <EuiIcon type="visLine" color={theme.eui.euiColorLightShade} />
+            <EuiIcon type="visLine" color={theme.eui.euiColorMediumShade} />
           </div>
         ) : (
           <Chart size={chartSize}>