diff --git a/perf/modules/explore-simple-sk/explore-simple-sk.ts b/perf/modules/explore-simple-sk/explore-simple-sk.ts
index 2be5bfa..601ce26 100644
--- a/perf/modules/explore-simple-sk/explore-simple-sk.ts
+++ b/perf/modules/explore-simple-sk/explore-simple-sk.ts
@@ -801,7 +801,7 @@
           @plot-chart-mousedown=${ele.onChartMouseDown}
           @selection-changing=${ele.OnSelectionRange}
           @selection-changed=${ele.OnSelectionRange}>
-          <md-icon slot="untriage">question_exchange</md-icon>
+          <md-icon slot="untriage">help</md-icon>
           <md-icon slot="regression">report</md-icon>
           <md-icon slot="improvement">check_circle</md-icon>
           <md-icon slot="ignored">report_off</md-icon>
diff --git a/perf/modules/plot-google-chart-sk/plot-google-chart-sk.ts b/perf/modules/plot-google-chart-sk/plot-google-chart-sk.ts
index cc6cd9b..1da3a81 100644
--- a/perf/modules/plot-google-chart-sk/plot-google-chart-sk.ts
+++ b/perf/modules/plot-google-chart-sk/plot-google-chart-sk.ts
@@ -76,23 +76,19 @@
         font-weight: bolder;
         font-size: 24px;
         color: darkblue;
+        border: darkblue 1px solid;
       }
       md-icon.improvement {
-        background-color: rgba(3, 151, 3, 1);
-        font-weight: bolder;
-        border: black 1px solid;
+        background-color: rgba(0, 155, 0, 0.8); /* green */
       }
       md-icon.untriage {
-        background-color: yellow;
-        border: magenta 1px solid;
+        background-color: rgba(255, 255, 0, 1); /* yellow */
       }
       md-icon.regression {
-        background-color: violet;
-        border: orange 1px solid;
+        background-color: rgba(155, 0, 255, 1); /* purple */
       }
       md-icon.ignored {
-        background-color: grey;
-        border: white 1px solid;
+        background-color: rgba(100, 100, 100, 0.8); /* grey */
       }
     }