diff --git a/scwx-qt/source/scwx/qt/map/alert_layer.cpp b/scwx-qt/source/scwx/qt/map/alert_layer.cpp
index 1c387412..15fc4af0 100644
--- a/scwx-qt/source/scwx/qt/map/alert_layer.cpp
+++ b/scwx-qt/source/scwx/qt/map/alert_layer.cpp
@@ -118,7 +118,7 @@ public:
       {
          lineColor_.emplace(
             alertActive,
-            util::color::ToRgba8PixelT(
+            util::color::ToRgba32fPixelT(
                paletteSettings.alert_color(phenomenon_, alertActive)
                   .GetValue()));
       }
@@ -144,7 +144,7 @@ public:
    static void
    AddLines(std::shared_ptr<gl::draw::GeoLines>&   geoLines,
             const std::vector<common::Coordinate>& coordinates,
-            boost::gil::rgba32_pixel_t             color,
+            boost::gil::rgba32f_pixel_t            color,
             float                                  width,
             std::chrono::system_clock::time_point  startTime,
             std::chrono::system_clock::time_point  endTime,
@@ -156,7 +156,7 @@ public:
 
    std::unordered_map<bool, std::shared_ptr<gl::draw::GeoLines>> geoLines_;
 
-   std::unordered_map<bool, boost::gil::rgba8_pixel_t> lineColor_;
+   std::unordered_map<bool, boost::gil::rgba32f_pixel_t> lineColor_;
 
    std::chrono::system_clock::time_point selectedTime_ {};
 };
@@ -358,7 +358,7 @@ void AlertLayer::Impl::UpdateAlert(
 void AlertLayer::Impl::AddLines(
    std::shared_ptr<gl::draw::GeoLines>&   geoLines,
    const std::vector<common::Coordinate>& coordinates,
-   boost::gil::rgba32_pixel_t             color,
+   boost::gil::rgba32f_pixel_t            color,
    float                                  width,
    std::chrono::system_clock::time_point  startTime,
    std::chrono::system_clock::time_point  endTime,
diff --git a/scwx-qt/source/scwx/qt/util/color.cpp b/scwx-qt/source/scwx/qt/util/color.cpp
index c1246843..6e193dc9 100644
--- a/scwx-qt/source/scwx/qt/util/color.cpp
+++ b/scwx-qt/source/scwx/qt/util/color.cpp
@@ -29,6 +29,15 @@ boost::gil::rgba8_pixel_t ToRgba8PixelT(const std::string& argbString)
                                      static_cast<uint8_t>(qAlpha(color))};
 }
 
+boost::gil::rgba32f_pixel_t ToRgba32fPixelT(const std::string& argbString)
+{
+   boost::gil::rgba8_pixel_t rgba8Pixel = ToRgba8PixelT(argbString);
+   return boost::gil::rgba32f_pixel_t {rgba8Pixel[0] / 255.0f,
+                                       rgba8Pixel[1] / 255.0f,
+                                       rgba8Pixel[2] / 255.0f,
+                                       rgba8Pixel[3] / 255.0f};
+}
+
 } // namespace color
 } // namespace util
 } // namespace qt
diff --git a/scwx-qt/source/scwx/qt/util/color.hpp b/scwx-qt/source/scwx/qt/util/color.hpp
index d38f033f..73ca07f1 100644
--- a/scwx-qt/source/scwx/qt/util/color.hpp
+++ b/scwx-qt/source/scwx/qt/util/color.hpp
@@ -29,6 +29,16 @@ std::string ToArgbString(const boost::gil::rgba8_pixel_t& color);
  */
 boost::gil::rgba8_pixel_t ToRgba8PixelT(const std::string& argbString);
 
+/**
+ * Converts an ARGB string used by Qt libraries to a Boost.GIL 32-bit RGBA
+ * floating point pixel.
+ *
+ * @param argbString ARGB string in the format #AARRGGBB
+ *
+ * @return RGBA32 floating point pixel
+ */
+boost::gil::rgba32f_pixel_t ToRgba32fPixelT(const std::string& argbString);
+
 } // namespace color
 } // namespace util
 } // namespace qt