If someone is interested in two.
Paint one room two colors.
Purple and white are a good complement.
Colorists often utilize a color wheel before selecting a multicolor design scheme and some paint.
When selecting two colors for one room it is important to choose one that is a white or more neutral in color as not to compete or fight with the accent color.
In this case the darker pink as otherwise the room might be too dark if 3 walls are the dark pink.
I would use one of the colors as an accent on one wall.
Your room is already divided in two horizontally by the chair rail or the wainscoting.
You can try these complementary colors for your bedroom or living room.
An accent wall is the perfect frame for a wall hung art collection or a single important piece.
Looking for more balance purple and white is good option.
It also depends on your bedding though.
If it is mainly the orange then you might want the pink on 3 and the orange as the accent.
Chair rails and wainscoting.
A common two color strategy is to use contrasting colors to highlight the ceiling or the wall.
Rules of painting a room with two colors color science 101.
How to paint a room with two different colors accent walls.
If you choose to contrast the ceiling making it darker than the walls may create a dramatic effect.
The triad color.