diff --git a/lu_toolbox/materials/__init__.py b/lu_toolbox/materials/__init__.py
index a1b90cc..f217440 100644
--- a/lu_toolbox/materials/__init__.py
+++ b/lu_toolbox/materials/__init__.py
@@ -128,19 +128,19 @@ MATERIALS_OPAQUE["325"] = MATERIALS_OPAQUE["222"]
 MATERIALS_TRANSPARENT = {
     "20"    :          (0.930111,    0.672443,   0.250158,   1.0),
     "40"    :          (0.854993,    0.854993,   0.854993,   1.0),
-    "41"    :          (0.745405,    0.023153,   0.022174,   1.0),
+    "41"    : srgb2lin((0.674509,    0.0,        0.0,        1.0)),
     "42"    : srgb2lin((0.244106,    0.720966,   0.772058,   1.0)),
     "43"    : srgb2lin((0.031372,    0.285668,   0.643137,   1.0)),
-    "44"    :          (0.947307,    0.863157,   0.141263,   1.0),
-    "47"    : srgb2lin((0.9,         0.4,        0.27,       1.0)),
+    "44"    : srgb2lin((0.858,       0.771375,   0.0,        1.0)),
+    "47"    : srgb2lin((0.986,       0.336526,   0.120035,   1.0)),
     "48"    : srgb2lin((0.0,         0.391,      0.0,        1.0)),
     "49"    : srgb2lin((0.697,       1.0,        0.0,        1.0)),
     "111"   : srgb2lin((0.741177,    0.670588,   0.639216,   1.0)),
     "113"   : srgb2lin((0.754717,    0.060520,   0.541647,   1.0)),
-    "126"   : srgb2lin((0.113399,    0.034649,   0.504,      1.0)),
-    "143"   : srgb2lin((0.218464,    0.484717,   0.809,      1.0)),
-    "182"   :          (0.8388,      0.181164,   0.004391,   1.0),
-    "311"   :          (0.42869,     0.64448,    0.061246,   1.0),
+    "126"   : srgb2lin((0.267974,    0.196078,   0.627451,   1.0)),
+    "143"   : srgb2lin((0.325985,    0.551358,   0.821,      1.0)),
+    "182"   : srgb2lin((0.913726,    0.524575,   0.0156863,  1.0)),
+    "311"   : srgb2lin((0.454640,    0.788235,   0.0980392,  1.0)),
 }
 
 # Duplicate Transparent