diff --git a/Syntaxes/SCSS.sublime-syntax b/Syntaxes/SCSS.sublime-syntax
index 1951e3f4..35e731f1 100644
--- a/Syntaxes/SCSS.sublime-syntax
+++ b/Syntaxes/SCSS.sublime-syntax
@@ -270,12 +270,14 @@ contexts:
     - include: scss-identifiers-or-functions
 
   hsl-color-function-arguments-list-body:
-    - meta_append: true
-    - include: scss-identifiers-or-functions
+    - meta_content_scope: meta.function-call.arguments.css meta.group.css
+    - include: alpha-delimiters
+    - include: other-function-arguments-list-body
 
   rgb-color-function-arguments-list-body:
-    - meta_append: true
-    - include: scss-identifiers-or-functions
+    - meta_content_scope: meta.function-call.arguments.css meta.group.css
+    - include: alpha-delimiters
+    - include: other-function-arguments-list-body
 
   blend-adjust-function-arguments-list-body:
     - meta_append: true
diff --git a/Tests/syntax_test_css.scss b/Tests/syntax_test_css.scss
index 4d5ab738..889cfb24 100644
--- a/Tests/syntax_test_css.scss
+++ b/Tests/syntax_test_css.scss
@@ -2889,11 +2889,11 @@
 
     color: hwb(0 100% 50% / 1.0);
 /*         ^^^ support.function.color.css */
-// /*                        ^ punctuation.separator.alpha.css */
+/*                        ^ punctuation.separator.alpha.css */
 
     color: lab(0% 0 0 / 1.0);
 /*         ^^^ support.function.color.css */
-// /*                    ^ punctuation.separator.alpha.css */
+/*                    ^ punctuation.separator.alpha.css */
 
     color: lch(0% 0.0 0.0 / 1.0);
 /*         ^^^ support.function.color.css */
@@ -2901,8 +2901,8 @@
 /*             ^ constant.numeric.value.css */
 /*                ^^^ meta.number.float.decimal.css constant.numeric.value.css */
 /*                    ^^^ meta.number.float.decimal.css constant.numeric.value.css */
+/*                        ^ punctuation.separator.alpha.css */
 /*                          ^^^ meta.number.float.decimal.css constant.numeric.value.css */
-// /*                        ^ punctuation.separator.alpha.css */
 
     color: lch(20% 10% 20grad / 100%);
 /*         ^^^ support.function.color.css */
@@ -2915,10 +2915,10 @@
 /*                     ^^^^^^ meta.number.integer.decimal.css */
 /*                     ^^ constant.numeric.value.css */
 /*                       ^^^^ constant.numeric.suffix.css */
+/*                            ^ punctuation.separator.alpha.css */
 /*                              ^^^^ meta.number.integer.decimal.css */
 /*                              ^^^ constant.numeric.value.css */
 /*                                 ^ constant.numeric.suffix.css */
-// /*                            ^ punctuation.separator.alpha.css */
 
     top: color(w(var()) s(var()) () ));
 /*       ^^^^^ support.function.color.css */