diff --git a/include/hyprgraphics/color/Color.hpp b/include/hyprgraphics/color/Color.hpp
index 8941f4e..e4f4ee5 100644
--- a/include/hyprgraphics/color/Color.hpp
+++ b/include/hyprgraphics/color/Color.hpp
@@ -62,12 +62,14 @@ namespace Hyprgraphics {
         CMatrix3() = default;
         CMatrix3(const std::array<std::array<double, 3>, 3>& values);
 
-        CMatrix3                                    invert();
+        CMatrix3                                    invert() const;
         CColor::XYZ                                 operator*(const CColor::XYZ& xyz) const;
         CMatrix3                                    operator*(const CMatrix3& other) const;
 
         const std::array<std::array<double, 3>, 3>& mat();
 
+        static const CMatrix3&                      identity();
+
       private:
         std::array<std::array<double, 3>, 3> m = {
             0, 0, 0, //
@@ -76,14 +78,8 @@ namespace Hyprgraphics {
         };
     };
 
-    const CMatrix3 Identity3 = CMatrix3(std::array<std::array<double, 3>, 3>{
-        1, 0, 0, //
-        0, 1, 0, //
-        0, 0, 1, //
-    });
-
-    CColor::XYZ    xy2xyz(const CColor::xy& xy);
-    CMatrix3       adaptWhite(const CColor::xy& src, const CColor::xy& dst);
+    CColor::XYZ xy2xyz(const CColor::xy& xy);
+    CMatrix3    adaptWhite(const CColor::xy& src, const CColor::xy& dst);
 
     struct SPCPRimaries {
         CColor::xy red, green, blue, white;
diff --git a/src/color/Color.cpp b/src/color/Color.cpp
index 44e7aef..d123431 100644
--- a/src/color/Color.cpp
+++ b/src/color/Color.cpp
@@ -28,7 +28,7 @@ static double hueToRgb(double p, double q, double t) {
 
 Hyprgraphics::CMatrix3::CMatrix3(const std::array<std::array<double, 3>, 3>& values) : m(values) {}
 
-CMatrix3 Hyprgraphics::CMatrix3::invert() {
+CMatrix3 Hyprgraphics::CMatrix3::invert() const {
     double invDet = 1 /
         (0                                                   //
          + m[0][0] * (m[1][1] * m[2][2] - m[2][1] * m[1][2]) //
@@ -67,6 +67,15 @@ const std::array<std::array<double, 3>, 3>& Hyprgraphics::CMatrix3::mat() {
     return m;
 };
 
+const CMatrix3& CMatrix3::identity() {
+    static const CMatrix3 Identity3 = CMatrix3(std::array<std::array<double, 3>, 3>{
+        1, 0, 0, //
+        0, 1, 0, //
+        0, 0, 1, //
+    });
+    return Identity3;
+}
+
 CColor::XYZ Hyprgraphics::xy2xyz(const CColor::xy& xy) {
     if (xy.y == 0.0)
         return {0.0, 0.0, 0.0};
@@ -84,7 +93,7 @@ CMatrix3 BradfordInv = Bradford.invert();
 
 CMatrix3 Hyprgraphics::adaptWhite(const CColor::xy& src, const CColor::xy& dst) {
     if (src == dst)
-        return Identity3;
+        return CMatrix3::identity();
 
     const auto srcXYZ  = xy2xyz(src);
     const auto dstXYZ  = xy2xyz(dst);