diff --git a/src/libutil/ansicolor.hh b/src/libutil/ansicolor.hh
index ae741f867..38305e71c 100644
--- a/src/libutil/ansicolor.hh
+++ b/src/libutil/ansicolor.hh
@@ -9,7 +9,7 @@ namespace nix {
 #define ANSI_ITALIC "\e[3m"
 #define ANSI_RED "\e[31;1m"
 #define ANSI_GREEN "\e[32;1m"
-#define ANSI_YELLOW "\e[33;1m"
+#define ANSI_WARNING "\e[35;1m"
 #define ANSI_BLUE "\e[34;1m"
 #define ANSI_MAGENTA "\e[35;1m"
 #define ANSI_CYAN "\e[36;1m"
diff --git a/src/libutil/error.cc b/src/libutil/error.cc
index 0eea3455d..203d79087 100644
--- a/src/libutil/error.cc
+++ b/src/libutil/error.cc
@@ -185,15 +185,15 @@ void printAtPos(const ErrPos & pos, std::ostream & out)
     if (pos) {
         switch (pos.origin) {
             case foFile: {
-                out << fmt(ANSI_BLUE "at " ANSI_YELLOW "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos));
+                out << fmt(ANSI_BLUE "at " ANSI_WARNING "%s:%s" ANSI_NORMAL ":", pos.file, showErrPos(pos));
                 break;
             }
             case foString: {
-                out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«string»:%s" ANSI_NORMAL ":", showErrPos(pos));
+                out << fmt(ANSI_BLUE "at " ANSI_WARNING "«string»:%s" ANSI_NORMAL ":", showErrPos(pos));
                 break;
             }
             case foStdin: {
-                out << fmt(ANSI_BLUE "at " ANSI_YELLOW "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos));
+                out << fmt(ANSI_BLUE "at " ANSI_WARNING "«stdin»:%s" ANSI_NORMAL ":", showErrPos(pos));
                 break;
             }
             default:
@@ -232,7 +232,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
             break;
         }
         case Verbosity::lvlWarn: {
-            prefix = ANSI_YELLOW "warning";
+            prefix = ANSI_WARNING "warning";
             break;
         }
         case Verbosity::lvlInfo: {
@@ -252,7 +252,7 @@ std::ostream & showErrorInfo(std::ostream & out, const ErrorInfo & einfo, bool s
             break;
         }
         case Verbosity::lvlDebug: {
-            prefix = ANSI_YELLOW "debug";
+            prefix = ANSI_WARNING "debug";
             break;
         }
         default:
diff --git a/src/libutil/fmt.hh b/src/libutil/fmt.hh
index 85c0e9429..fd335b811 100644
--- a/src/libutil/fmt.hh
+++ b/src/libutil/fmt.hh
@@ -82,7 +82,7 @@ struct yellowtxt
 template <class T>
 std::ostream & operator<<(std::ostream & out, const yellowtxt<T> & y)
 {
-    return out << ANSI_YELLOW << y.value << ANSI_NORMAL;
+    return out << ANSI_WARNING << y.value << ANSI_NORMAL;
 }
 
 template <class T>
diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc
index 7d6090e0a..f8a121ed1 100644
--- a/src/libutil/logging.cc
+++ b/src/libutil/logging.cc
@@ -27,7 +27,7 @@ Logger * logger = makeSimpleLogger(true);
 
 void Logger::warn(const std::string & msg)
 {
-    log(lvlWarn, ANSI_YELLOW "warning:" ANSI_NORMAL " " + msg);
+    log(lvlWarn, ANSI_WARNING "warning:" ANSI_NORMAL " " + msg);
 }
 
 void Logger::writeToStdout(std::string_view s)
diff --git a/src/libutil/tests/logging.cc b/src/libutil/tests/logging.cc
index d990e5499..cef3bd481 100644
--- a/src/libutil/tests/logging.cc
+++ b/src/libutil/tests/logging.cc
@@ -336,7 +336,7 @@ namespace nix {
 
         ASSERT_STREQ(
             hintfmt("only one arg %1% %2%", "fulfilled").str().c_str(),
-            "only one arg " ANSI_YELLOW "fulfilled" ANSI_NORMAL " ");
+            "only one arg " ANSI_WARNING "fulfilled" ANSI_NORMAL " ");
 
     }
 
@@ -344,7 +344,7 @@ namespace nix {
 
         ASSERT_STREQ(
             hintfmt("what about this %1% %2%", "%3%", "one", "two").str().c_str(),
-            "what about this " ANSI_YELLOW "%3%" ANSI_NORMAL " " ANSI_YELLOW "one" ANSI_NORMAL);
+            "what about this " ANSI_WARNING "%3%" ANSI_NORMAL " " ANSI_YELLOW "one" ANSI_NORMAL);
 
     }
 
diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index abb0fd3b4..5dab889a4 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -962,7 +962,7 @@ struct CmdFlakeShow : FlakeCommand
                     if (attrPath.size() == 1)
                         recurse();
                     else if (!showLegacy)
-                        logger->cout("%s: " ANSI_YELLOW "omitted" ANSI_NORMAL " (use '--legacy' to show)", headerPrefix);
+                        logger->cout("%s: " ANSI_WARNING "omitted" ANSI_NORMAL " (use '--legacy' to show)", headerPrefix);
                     else {
                         if (visitor.isDerivation())
                             showDerivation();
@@ -997,7 +997,7 @@ struct CmdFlakeShow : FlakeCommand
                         || (attrPath.size() == 2 && attrPath[0] == "overlays") ? "Nixpkgs overlay" :
                         attrPath.size() == 2 && attrPath[0] == "nixosConfigurations" ? "NixOS configuration" :
                         attrPath.size() == 2 && attrPath[0] == "nixosModules" ? "NixOS module" :
-                        ANSI_YELLOW "unknown" ANSI_NORMAL);
+                        ANSI_WARNING "unknown" ANSI_NORMAL);
                 }
             } catch (EvalError & e) {
                 if (!(attrPath.size() > 0 && attrPath[0] == "legacyPackages"))
diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index b85ed9288..c1233ab46 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -707,7 +707,7 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m
         break;
 
     case nString:
-        str << ANSI_YELLOW;
+        str << ANSI_WARNING;
         printStringValue(str, v.string.s);
         str << ANSI_NORMAL;
         break;