diff --git a/src/App/Color.cpp b/src/App/Color.cpp
index 38e621d7cd..7a6bb6fb87 100644
--- a/src/App/Color.cpp
+++ b/src/App/Color.cpp
@@ -82,10 +82,10 @@ Color& Color::setPackedValue(uint32_t rgba)
 uint32_t Color::getPackedValue() const
 {
     // clang-format off
-    return (static_cast<uint32_t>(r * 255.0F + 0.5F) << 24 |
-            static_cast<uint32_t>(g * 255.0F + 0.5F) << 16 |
-            static_cast<uint32_t>(b * 255.0F + 0.5F) << 8  |
-            static_cast<uint32_t>(a * 255.0F + 0.5F));
+    return (static_cast<uint32_t>(std::lround(r * 255.0F)) << 24 |
+            static_cast<uint32_t>(std::lround(g * 255.0F)) << 16 |
+            static_cast<uint32_t>(std::lround(b * 255.0F)) << 8  |
+            static_cast<uint32_t>(std::lround(a * 255.0F)));
     // clang-format on
 }
 
@@ -101,19 +101,19 @@ void Color::setPackedRGB(uint32_t rgb)
 uint32_t Color::getPackedRGB() const
 {
     // clang-format off
-    return (static_cast<uint32_t>(r * 255.0F + 0.5F) << 24 |
-            static_cast<uint32_t>(g * 255.0F + 0.5F) << 16 |
-            static_cast<uint32_t>(b * 255.0F + 0.5F) << 8);
+    return (static_cast<uint32_t>(std::lround(r * 255.0F)) << 24 |
+            static_cast<uint32_t>(std::lround(g * 255.0F)) << 16 |
+            static_cast<uint32_t>(std::lround(b * 255.0F)) << 8);
     // clang-format on
 }
 
 uint32_t Color::getPackedARGB() const
 {
     // clang-format off
-    return (static_cast<uint32_t>(a * 255.0F + 0.5F) << 24 |
-            static_cast<uint32_t>(r * 255.0F + 0.5F) << 16 |
-            static_cast<uint32_t>(g * 255.0F + 0.5F) << 8  |
-            static_cast<uint32_t>(b * 255.0F + 0.5F));
+    return (static_cast<uint32_t>(std::lround(a * 255.0F)) << 24 |
+            static_cast<uint32_t>(std::lround(r * 255.0F)) << 16 |
+            static_cast<uint32_t>(std::lround(g * 255.0F)) << 8  |
+            static_cast<uint32_t>(std::lround(b * 255.0F)));
     // clang-format on
 }
 
@@ -131,9 +131,9 @@ std::string Color::asHexString() const
 {
     std::stringstream ss;
     ss << "#" << std::hex << std::uppercase << std::setfill('0')
-       << std::setw(2) << int(r * 255.0F + 0.5F)
-       << std::setw(2) << int(g * 255.0F + 0.5F)
-       << std::setw(2) << int(b * 255.0F + 0.5F);
+       << std::setw(2) << int(std::lround(r * 255.0F))
+       << std::setw(2) << int(std::lround(g * 255.0F))
+       << std::setw(2) << int(std::lround(b * 255.0F));
     return ss.str();
 }
 
diff --git a/src/App/Color.h b/src/App/Color.h
index 56941c6db3..bb374ae70d 100644
--- a/src/App/Color.h
+++ b/src/App/Color.h
@@ -27,6 +27,7 @@
 #ifdef __GNUC__
 # include <cstdint>
 #endif
+#include <cmath>
 #include <string>
 
 #include <FCGlobal.h>
@@ -130,9 +131,9 @@ public:
     inline T asValue() const
     {
         // clang-format off
-        return(T(int(r * 255.0F + 0.5F),
-                 int(g * 255.0F + 0.5F),
-                 int(b * 255.0F + 0.5F)));
+        return(T(int(std::lround(r * 255.0F)),
+                 int(std::lround(g * 255.0F)),
+                 int(std::lround(b * 255.0F))));
         // clang-format on
     }
     /**