diff --git a/include/views/view_hexeditor.hpp b/include/views/view_hexeditor.hpp
index d2bec1668..38eb1c153 100644
--- a/include/views/view_hexeditor.hpp
+++ b/include/views/view_hexeditor.hpp
@@ -55,6 +55,7 @@ namespace hex {
         std::string m_loaderScriptFilePath;
 
         hex::EncodingFile m_currEncodingFile;
+        u8 m_highlightAlpha = 0x80;
 
         void drawSearchPopup();
         void drawGotoPopup();
diff --git a/plugins/builtin/source/content/settings_entries.cpp b/plugins/builtin/source/content/settings_entries.cpp
index 85626690b..9ccb14a84 100644
--- a/plugins/builtin/source/content/settings_entries.cpp
+++ b/plugins/builtin/source/content/settings_entries.cpp
@@ -72,6 +72,17 @@ namespace hex::plugin::builtin {
             return false;
         });
 
+        ContentRegistry::Settings::add("hex.builtin.setting.interface", "hex.builtin.setting.interface.highlight_alpha", 0x80, [](auto name, nlohmann::json &setting) {
+            static int alpha = setting.is_number() ? static_cast<int>(setting) : 0x80;
+
+            if (ImGui::SliderInt(name.data(), &alpha, 0x00, 0xFF)) {
+                setting = alpha;
+                return true;
+            }
+
+            return false;
+        });
+
     }
 
 }
\ No newline at end of file
diff --git a/plugins/builtin/source/lang/de_DE.cpp b/plugins/builtin/source/lang/de_DE.cpp
index d553a6ffa..7f9762124 100644
--- a/plugins/builtin/source/lang/de_DE.cpp
+++ b/plugins/builtin/source/lang/de_DE.cpp
@@ -512,6 +512,7 @@ namespace hex::plugin::builtin {
                         { "hex.builtin.setting.interface.color.classic", "Klassisch" },
                     { "hex.builtin.setting.interface.language", "Sprache" },
                     { "hex.builtin.setting.interface.fps", "FPS Limite" },
+                    { "hex.builtin.setting.interface.highlight_alpha", "Markierungssichtbarkeit" },
 
                 { "hex.builtin.provider.file.path", "Dateipfad" },
                 { "hex.builtin.provider.file.size", "Größe" },
diff --git a/plugins/builtin/source/lang/en_US.cpp b/plugins/builtin/source/lang/en_US.cpp
index 5264c64fb..61a1e3575 100644
--- a/plugins/builtin/source/lang/en_US.cpp
+++ b/plugins/builtin/source/lang/en_US.cpp
@@ -512,6 +512,7 @@ namespace hex::plugin::builtin {
                         { "hex.builtin.setting.interface.color.classic", "Classic" },
                     { "hex.builtin.setting.interface.language", "Language" },
                     { "hex.builtin.setting.interface.fps", "FPS Limit" },
+                    { "hex.builtin.setting.interface.highlight_alpha", "Highlighting opacity" },
 
                 { "hex.builtin.provider.file.path", "File path" },
                 { "hex.builtin.provider.file.size", "Size" },
diff --git a/plugins/builtin/source/lang/it_IT.cpp b/plugins/builtin/source/lang/it_IT.cpp
index 7abb9aa5e..0e895df15 100644
--- a/plugins/builtin/source/lang/it_IT.cpp
+++ b/plugins/builtin/source/lang/it_IT.cpp
@@ -512,6 +512,7 @@ namespace hex::plugin::builtin {
                         { "hex.builtin.setting.interface.color.classic", "Classico" },
                     { "hex.builtin.setting.interface.language", "Lingua" },
                 { "hex.builtin.setting.interface.fps", "Limite FPS" },
+                // { "hex.builtin.setting.interface.highlight_alpha", "" },
 
                 { "hex.builtin.provider.file.path", "Percorso del File" },
                 { "hex.builtin.provider.file.size", "Dimensione" },
diff --git a/source/views/view_hexeditor.cpp b/source/views/view_hexeditor.cpp
index b8e44ea9c..ab9903052 100644
--- a/source/views/view_hexeditor.cpp
+++ b/source/views/view_hexeditor.cpp
@@ -52,19 +52,21 @@ namespace hex {
 
             off += SharedData::currentProvider->getBaseAddress();
 
+            u32 alpha = static_cast<u32>(_this->m_highlightAlpha) << 24;
+
             for (const auto &[region, name, comment, color, locked] : ImHexApi::Bookmarks::getEntries()) {
                 if (off >= region.address && off < (region.address + region.size))
-                    currColor = (color & 0x00FFFFFF) | 0x80000000;
+                    currColor = (color & 0x00FFFFFF) | alpha;
                 if ((off - 1) >= region.address && (off - 1) < (region.address + region.size))
-                    prevColor = (color & 0x00FFFFFF) | 0x80000000;
+                    prevColor = (color & 0x00FFFFFF) | alpha;
             }
 
             if (_this->m_highlightedBytes.contains(off)) {
-                auto color = (_this->m_highlightedBytes[off] & 0x00FFFFFF) | 0x80000000;
+                auto color = (_this->m_highlightedBytes[off] & 0x00FFFFFF) | alpha;
                 currColor = currColor.has_value() ? ImAlphaBlendColors(color, currColor.value()) : color;
             }
             if (_this->m_highlightedBytes.contains(off - 1)) {
-                auto color = (_this->m_highlightedBytes[off - 1] & 0x00FFFFFF) | 0x80000000;
+                auto color = (_this->m_highlightedBytes[off - 1] & 0x00FFFFFF) | alpha;
                 prevColor = prevColor.has_value() ? ImAlphaBlendColors(color, prevColor.value()) : color;
             }
 
@@ -73,7 +75,7 @@ namespace hex {
             }
 
             if (currColor.has_value() && (currColor.value() & 0x00FFFFFF) != 0x00) {
-                _this->m_memoryEditor.HighlightColor = (currColor.value() & 0x00FFFFFF) | 0x40000000;
+                _this->m_memoryEditor.HighlightColor = (currColor.value() & 0x00FFFFFF) | alpha;
                 return true;
             }
 
@@ -177,6 +179,12 @@ namespace hex {
         EventManager::subscribe<EventFileLoaded>(this, [](std::string path) {
             EventManager::post<RequestChangeWindowTitle>(std::filesystem::path(path).filename().string());
         });
+
+        EventManager::subscribe<EventSettingsChanged>(this, [this] {
+            auto alpha = ContentRegistry::Settings::getSetting("hex.builtin.setting.interface", "hex.builtin.setting.interface.highlight_alpha");
+
+            this->m_highlightAlpha = alpha;
+        });
     }
 
     ViewHexEditor::~ViewHexEditor() {
@@ -186,6 +194,8 @@ namespace hex {
         EventManager::unsubscribe<EventWindowClosing>(this);
         EventManager::unsubscribe<EventPatternChanged>(this);
         EventManager::unsubscribe<RequestOpenWindow>(this);
+        EventManager::unsubscribe<EventFileLoaded>(this);
+        EventManager::unsubscribe<EventSettingsChanged>(this);
     }
 
     void ViewHexEditor::drawContent() {