diff --git a/src/components/c-modal.vue b/src/components/c-modal.vue
index 1b3c17b2..7b33d325 100644
--- a/src/components/c-modal.vue
+++ b/src/components/c-modal.vue
@@ -388,7 +388,7 @@
 
   .v--modal-overlay {
     // stylelint-disable-next-line declaration-no-important
-    background: rgba(variables.$color-grayscale--700, 0.9) !important;
+    background: rgba(variables.$color-grayscale--600, 0.9) !important;
 
     .v--modal-background-click {
       width: 100%;
diff --git a/src/setup/scss/variables/_color.scss b/src/setup/scss/variables/_color.scss
index 9a0f8664..c977ddfb 100644
--- a/src/setup/scss/variables/_color.scss
+++ b/src/setup/scss/variables/_color.scss
@@ -7,7 +7,6 @@ $color-grayscale--300: #8f8f8f;
 $color-grayscale--400: #afafaf;
 $color-grayscale--500: #d8d8d8;
 $color-grayscale--600: #f3f3f3;
-$color-grayscale--700: #fcfcfc;
 $color-grayscale--1000: #ffffff;
 
 $color-gradient--1-0: $color-grayscale--0;