diff --git a/src/core_plugins/timelion/public/chart.less b/src/core_plugins/timelion/public/chart.less
index 4c6078f76f221..c7bd764fe1066 100644
--- a/src/core_plugins/timelion/public/chart.less
+++ b/src/core_plugins/timelion/public/chart.less
@@ -9,3 +9,11 @@
   min-width: 100%;
   flex: 1;
 }
+
+.tab-dashboard.theme-dark .ngLegendValue {
+  color: #aaaaaa;
+}
+
+.tab-dashboard.theme-dark .flot-tick-label {
+  color: #aaaaaa;
+}