diff --git a/packages/halo-theme/src/variants/dark/overrides.less b/packages/halo-theme/src/variants/dark/overrides.less
index 38c75161c6..91a644c66e 100644
--- a/packages/halo-theme/src/variants/dark/overrides.less
+++ b/packages/halo-theme/src/variants/dark/overrides.less
@@ -177,7 +177,7 @@ Rules:
 
 // DataViz - Charting
 @dataviz-color-1                          : @dataviz-color-primary;
-@dataviz-color-2                          : @color-white;
+@dataviz-color-2                          : @color-mercury;
 @dataviz-color-3                          : @color-supernova;
 @dataviz-color-4                          : @color-amethyst;
 @dataviz-color-5                          : @color-robins-egg;