Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -25,10 +25,14 @@ option(BUILD_SHARED_LIBS OFF)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 
-# Dependency can be fetched via flatpak builder
-if(EXISTS "${CMAKE_SOURCE_DIR}/external/Qt-Color-Widgets/CMakeLists.txt")
+find_package(QtColorWidgets)
+
+if(QtColorWidgets_FOUND)
+    message(STATUS "Found system QtColorWidgets package")
+elseif(EXISTS "${CMAKE_SOURCE_DIR}/external/Qt-Color-Widgets/CMakeLists.txt")
     add_subdirectory("${CMAKE_SOURCE_DIR}/external/Qt-Color-Widgets" EXCLUDE_FROM_ALL)
 else()
+    # Dependency can be fetched via flatpak builder
     FetchContent_Declare(
         qtColorWidgets
         GIT_REPOSITORY https://gitlab.com/mattbas/Qt-Color-Widgets.git
