diff --git a/toml/color.hpp b/toml/color.hpp
index 479c26a..d85a848 100644
--- a/toml/color.hpp
+++ b/toml/color.hpp
@@ -4,9 +4,9 @@
 #include <cstdint>
 
 #ifdef TOML11_COLORIZE_ERROR_MESSAGE
-#define TOML11_COLORED_MESSAGE_ACTIVATED true
+#define TOML11_ERROR_MESSAGE_COLORIZED true
 #else
-#define TOML11_COLORED_MESSAGE_ACTIVATED false
+#define TOML11_ERROR_MESSAGE_COLORIZED false
 #endif
 
 namespace toml
diff --git a/toml/region.hpp b/toml/region.hpp
index 18c5248..3c3f7c1 100644
--- a/toml/region.hpp
+++ b/toml/region.hpp
@@ -420,7 +420,7 @@ struct region final : public region_base
 inline std::string format_underline(const std::string& message,
         const std::vector<std::pair<region_base const*, std::string>>& reg_com,
         const std::vector<std::string>& helps = {},
-        const bool colorize = TOML11_COLORED_MESSAGE_ACTIVATED)
+        const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED)
 {
     assert(!reg_com.empty());
 
diff --git a/toml/value.hpp b/toml/value.hpp
index a9d2ba4..b5a4e86 100644
--- a/toml/value.hpp
+++ b/toml/value.hpp
@@ -1861,7 +1861,7 @@ template<typename C, template<typename ...> class T, template<typename ...> clas
 inline std::string format_error(const std::string& err_msg,
         const basic_value<C, T, A>& v, const std::string& comment,
         std::vector<std::string> hints = {},
-        const bool colorize = TOML11_COLORED_MESSAGE_ACTIVATED)
+        const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED)
 {
     return detail::format_underline(err_msg,
         std::vector<std::pair<detail::region_base const*, std::string>>{
@@ -1874,7 +1874,7 @@ inline std::string format_error(const std::string& err_msg,
         const toml::basic_value<C, T, A>& v1, const std::string& comment1,
         const toml::basic_value<C, T, A>& v2, const std::string& comment2,
         std::vector<std::string> hints = {},
-        const bool colorize = TOML11_COLORED_MESSAGE_ACTIVATED)
+        const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED)
 {
     return detail::format_underline(err_msg,
         std::vector<std::pair<detail::region_base const*, std::string>>{
@@ -1889,7 +1889,7 @@ inline std::string format_error(const std::string& err_msg,
         const toml::basic_value<C, T, A>& v2, const std::string& comment2,
         const toml::basic_value<C, T, A>& v3, const std::string& comment3,
         std::vector<std::string> hints = {},
-        const bool colorize = TOML11_COLORED_MESSAGE_ACTIVATED)
+        const bool colorize = TOML11_ERROR_MESSAGE_COLORIZED)
 {
     return detail::format_underline(err_msg,
         std::vector<std::pair<detail::region_base const*, std::string>>{