Fixed port type colors in doc

material_maker/doc/nodes_common.rst

@@ -18,17 +18,17 @@ connected to several node inputs. Each node output (and input) can be:
 
 * a **color image** (shown in blue)
 
-* an **RGBA image** (shown in semi-transparent green)
+* an **RGBA image** (shown in blue)
 
 * a **2D signed distance function** (shown in orange)
 
-* a **3D signed distance function** (shown in red), with or without a color index
+* a **3D signed distance function** (shown in orange-red), with or without a color index
 
-* a color or greyscale **3D texture** (shown in fuchsia), that can be associated to
+* a color or greyscale **3D texture** (shown in violet), that can be associated to
   a color index, which makes it possible to associate several 3D textures in a single
   3D scene
 
-* **Fill information** (shown in light orange), that contain the bounding box of the
+* **Fill information** (shown in green), that contain the bounding box of the
   area. This information is generated by the Fill node and a few pattern nodes, and is
   used as input by the Fill companion nodes