This is a device used by Kubrick to create subliminal connections between seemingly separate events, moments, or emotions.
Having a color palette repeat within shots or even full scenes creates the immediate connection within their contexts. What you see in one is repeated in the other and needs to be understood as “the same”.
In this image · No.3
Color Palette Repetition
The red and yellow of the art deco sun imagery in the floor tile and the red couch and yellow curtains of the Gold Room entrance.