Factory Interior colors of a 1969 Camaro RS

I am trying to build a 1:25 Scale 1969 Camaro Z28 RS model. I am trying to do it like a factory built color, I know I want the outside colored Huggar Orange with White Stripes. I looked at some pictures of restored models with a Huggar Orange color and the interior seats where Ivory colored.  The Floor, dash, seat belts, door panels and the interior top was colored blacked.
Are these the original factory colors????? Is there anything else I am missing? The motor is the 302 ci version that came with the kit.

Chevrolet decided the colors that would be 'most attractive' for hugger orange were Black/Houndstooth, Black, Ivory/Black (which you described above), Ivory/Houndstooth or Orange.  Any of those interior colors would be standard for Hugger orange however, other interior colors could be ordered.