diff --git a/.sass-lint.yml b/.sass-lint.yml
index 2b5b5da73c..726b6302eb 100644
--- a/.sass-lint.yml
+++ b/.sass-lint.yml
@@ -90,3 +90,5 @@ rules:
   no-warn: 0
   # Transition all is useful in certain situations and there's no recent info to suggest slowdown
   no-transition-all: 0
+
+  hex-length: 'long'
diff --git a/src/services/color/oui_palettes.ts b/src/services/color/oui_palettes.ts
index 047df0a769..394906e99a 100644
--- a/src/services/color/oui_palettes.ts
+++ b/src/services/color/oui_palettes.ts
@@ -178,7 +178,7 @@ export const ouiPaletteForLightBackground = function (): OuiPalette {
 };
 
 export const ouiPaletteForDarkBackground = function (): OuiPalette {
-  return ['#1BA9F5', '#7DE2D1', '#F990C0', '#F66', '#FFCE7A'];
+  return ['#1BA9F5', '#7DE2D1', '#F990C0', '#FF6666', '#FFCE7A'];
 };
 
 const positiveColor: HEX = '#209280';
diff --git a/src/themes/oui-next/oui_next_colors_dark.scss b/src/themes/oui-next/oui_next_colors_dark.scss
index b7d1db0849..78cf92ceb7 100644
--- a/src/themes/oui-next/oui_next_colors_dark.scss
+++ b/src/themes/oui-next/oui_next_colors_dark.scss
@@ -23,7 +23,7 @@ $ouiColorAccent: #F990C0;
 // Status
 $ouiColorSuccess: $ouiColorSecondary;
 $ouiColorWarning: #FFCE7A;
-$ouiColorDanger: #F66;
+$ouiColorDanger: #FF6666;
 
 // Grays
 $ouiColorEmptyShade: #0A121A;
diff --git a/src/themes/oui/oui_colors_dark.scss b/src/themes/oui/oui_colors_dark.scss
index 4ea79a931c..469dc25037 100644
--- a/src/themes/oui/oui_colors_dark.scss
+++ b/src/themes/oui/oui_colors_dark.scss
@@ -23,7 +23,7 @@ $ouiColorAccent: #F990C0;
 // Status
 $ouiColorSuccess: $ouiColorSecondary;
 $ouiColorWarning: #FFCE7A;
-$ouiColorDanger: #F66;
+$ouiColorDanger: #FF6666;
 
 // Grays
 $ouiColorEmptyShade: #1D1E24;