Platform: use a branded color.

src/Magnum/Platform/Test/CMakeLists.txt

@@ -64,7 +64,7 @@ if(WITH_EMSCRIPTENAPPLICATION)
         # TODO: use target_link_options() once we can require CMake 3.13
         "-s MODULARIZE -s EXPORT_NAME=createModule"
         "-s DISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=1")
-    target_compile_definitions(PlatformMultipleEmscriptenApplicationTest PRIVATE CUSTOM_CLEAR_COLOR=0.2,0,0.2,1)
+    target_compile_definitions(PlatformMultipleEmscriptenApplicationTest PRIVATE CUSTOM_CLEAR_COLOR=0x3bd267_rgbf)
     set_target_properties(PlatformMultipleEmscriptenApplicationTest PROPERTIES FOLDER "Magnum/Platform/Test")
     add_custom_command(TARGET PlatformMultipleEmscriptenApplicationTest POST_BUILD
         COMMAND ${CMAKE_COMMAND} -E copy_if_different

src/Magnum/Platform/Test/EmscriptenApplicationTest.cpp

@@ -36,6 +36,8 @@
 
 namespace Magnum { namespace Platform { namespace Test {
 
+using namespace Math::Literals;
+
 struct EmscriptenApplicationTest: Platform::Application {
     /* For testing resize events */
     explicit EmscriptenApplicationTest(const Arguments& arguments);
@@ -43,7 +45,7 @@ struct EmscriptenApplicationTest: Platform::Application {
     virtual void drawEvent() override {
         Debug() << "draw event";
         #ifdef CUSTOM_CLEAR_COLOR
-        GL::Renderer::setClearColor({ CUSTOM_CLEAR_COLOR });
+        GL::Renderer::setClearColor(CUSTOM_CLEAR_COLOR);
         #endif
         GL::defaultFramebuffer.clear(GL::FramebufferClear::Color);