diff --git a/src/assets/css/src/3.utilities.colors.css b/src/assets/css/src/3.utilities.colors.css
index 79c04eb..8ceb520 100644
--- a/src/assets/css/src/3.utilities.colors.css
+++ b/src/assets/css/src/3.utilities.colors.css
@@ -58,6 +58,9 @@
 .bg-grey-200 {
   background-color: var(--color-grey-200);
 }
+.bg-grey-800 {
+  background-color: var(--color-grey-800);
+}
 
 .bg-primary-100,
 .bg-primary {
@@ -67,3 +70,6 @@
 .bg-black {
   background-color: var(--color-black);
 }
+.bg-black-50 {
+  background-color: var(--color-black-50);
+}