diff --git a/scss/utilities/_text.scss b/scss/utilities/_text.scss
index 9ebf731a5b..4f6eba506c 100644
--- a/scss/utilities/_text.scss
+++ b/scss/utilities/_text.scss
@@ -48,6 +48,9 @@
 .text-body { color: $body-color !important; }
 .text-muted { color: $text-muted !important; }
 
+.text-black-50 { color: rgba($black, .5) !important; }
+.text-white-50 { color: rgba($white, .5) !important; }
+
 // Misc
 
 .text-hide {