[Hallicrafters] paint color

[Paul Kraemer]

Hello
Does anyone know if the color on SX-117, HT-44, PS-150-120 is supposed to be same as an SR-400 and PS-500A?
I have several and some look like it was originally the same gray with a tinge of green while others look more like an HT-37 grey. Trying to create a powder coat finish in the original spatter pattern. Any opinions or help would be appreciated.
Thanks
Paul
K0UYA