diff --git a/src/inferno/component/spritecomponent.cpp b/src/inferno/component/spritecomponent.cpp
new file mode 100644
index 0000000..405962e
--- /dev/null
+++ b/src/inferno/component/spritecomponent.cpp
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2022 Riyyi
+ *
+ * SPDX-License-Identifier: MIT
+ */
+
+#include "inferno/component/spritecomponent.h"
+#include "inferno/render/texture.h"
+
+namespace Inferno {
+
+void fromJson(const ruc::Json& json, SpriteComponent& value)
+{
+	VERIFY(json.type() == ruc::Json::Type::Object);
+
+	if (json.exists("color")) {
+		json.at("color").getTo(value.color);
+	}
+	if (json.exists("texture") && json.at("texture").type() == ruc::Json::Type::String) {
+		value.texture = TextureManager::the().load(json.at("texture").asString());
+	}
+}
+
+} // namespace Inferno
+
+namespace glm {
+
+void toJson(ruc::Json& json, const vec4& value)
+{
+	json = ruc::Json {
+		{ value.r, value.g, value.b, value.a },
+	};
+}
+
+void fromJson(const ruc::Json& json, vec4& value)
+{
+	VERIFY(json.type() == ruc::Json::Type::Array);
+
+	auto& values = json.asArray();
+	VERIFY(values.size() == 4, "glm::vec4 expects 4 values, not {}", values.size());
+
+	value.r = values.at(0).get<float>();
+	value.g = values.at(1).get<float>();
+	value.b = values.at(2).get<float>();
+	value.a = values.at(3).get<float>();
+}
+
+} // namespace glm
diff --git a/src/inferno/component/spritecomponent.h b/src/inferno/component/spritecomponent.h
index 608d8d2..49a333f 100644
--- a/src/inferno/component/spritecomponent.h
+++ b/src/inferno/component/spritecomponent.h
@@ -9,6 +9,7 @@
 #include <memory> // std::shared_ptr
 
 #include "glm/ext/vector_float4.hpp" // glm::vec4
+#include "ruc/json/json.h"
 
 #include "inferno/render/texture.h"
 
@@ -19,4 +20,13 @@ struct SpriteComponent {
 	std::shared_ptr<Texture> texture;
 };
 
+void fromJson(const ruc::Json& json, SpriteComponent& value);
+
 } // namespace Inferno
+
+namespace glm {
+
+void toJson(ruc::Json& json, const vec4& value);
+void fromJson(const ruc::Json& json, vec4& value);
+
+} // namespace glm