diff --git a/cfg/opengl.cfg b/cfg/opengl.cfg
index 7dbf87f8c..dca1534fe 100644
--- a/cfg/opengl.cfg
+++ b/cfg/opengl.cfg
@@ -51,6 +51,82 @@
       <not-bool/>
     </arg>
   </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glColor.xml -->
+  <!-- void glColor3b( GLbyte red, GLbyte green, GLbyte blue ); -->
+  <!-- void glColor3s( GLshort red, GLshort green, GLshort blue ); -->
+  <!-- void glColor3i( GLint red, GLint green, GLint blue ); -->
+  <!-- void glColor3f( GLfloat red, GLfloat green, GLfloat blue ); -->
+  <!-- void glColor3d( GLdouble red, GLdouble green, GLdouble blue ); -->
+  <!-- void glColor3ub( GLubyte red, GLubyte green, GLubyte blue ); -->
+  <!-- void glColor3us( GLushort red, GLushort green, GLushort blue ); -->
+  <!-- void glColor3ui( GLuint red, GLuint green, GLuint blue ); -->
+  <function name="glColor3b,glColor3s,glColor3i,glColor3f,glColor3d,glColor3ub,glColor3us,glColor3ui">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glColor.xml -->
+  <!-- void glColor4b( GLbyte red, GLbyte green, GLbyte blue, GLbyte alpha ); -->
+  <!-- void glColor4s( GLshort red, GLshort green, GLshort blue, GLshort alpha ); -->
+  <!-- void glColor4i( GLint red, GLint green, GLint blue, GLint alpha ); -->
+  <!-- void glColor4f( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha ); -->
+  <!-- void glColor4d( GLdouble red, GLdouble green, GLdouble blue, GLdouble alpha ); -->
+  <!-- void glColor4ub( GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha ); -->
+  <!-- void glColor4us( GLushort red, GLushort green, GLushort blue, GLushort alpha ); -->
+  <!-- void glColor4ui( GLuint red, GLuint green, GLuint blue, GLuint alpha ); -->
+  <function name="glColor4b,glColor4s,glColor4i,glColor4f,glColor4d,glColor4ub,glColor4us,glColor4ui">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="2" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="3" direction="in">
+      <not-uninit/>
+    </arg>
+    <arg nr="4" direction="in">
+      <not-uninit/>
+    </arg>
+  </function>
+  <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glColor.xml -->
+  <!-- void glColor3bv( const GLbyte * v ); -->
+  <!-- void glColor3sv( const GLshort * v ); -->
+  <!-- void glColor3iv( const GLint * v ); -->
+  <!-- void glColor3fv( const GLfloat * v ); -->
+  <!-- void glColor3dv( const GLdouble * v ); -->
+  <!-- void glColor3ubv( const GLubyte * v ); -->
+  <!-- void glColor3usv( const GLushort * v ); -->
+  <!-- void glColor3uiv( const GLuint * v ); -->
+  <!-- void glColor4bv( const GLbyte * v ); -->
+  <!-- void glColor4sv( const GLshort * v ); -->
+  <!-- void glColor4iv( const GLint * v ); -->
+  <!-- void glColor4fv( const GLfloat * v ); -->
+  <!-- void glColor4dv( const GLdouble * v ); -->
+  <!-- void glColor4ubv( const GLubyte * v ); -->
+  <!-- void glColor4usv( const GLushort * v ); -->
+  <!-- void glColor4uiv( const GLuint * v ); -->
+  <function name="glColor3bv,glColor3sv,glColor3iv,glColor3fv,glColor3dv,glColor3ubv,glColor3usv,glColor3uiv,glColor4bv,glColor4sv,glColor4iv,glColor4fv,glColor4dv,glColor4ubv,glColor4usv,glColor4uiv">
+    <noreturn>false</noreturn>
+    <returnValue type="void"/>
+    <leak-ignore/>
+    <arg nr="1" direction="in">
+      <not-null/>
+      <not-uninit/>
+      <not-bool/>
+    </arg>
+  </function>
   <!-- https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/xhtml/glEnable.xml -->
   <!-- void glDisable( GLenum cap); -->
   <function name="glDisable">