Hi Susie,

I like the wall color and texture the designer proposed.

Here are some color options for the walls and rug that could complement a master bedroom with white walls, a grey bed, and a grey floor:

Wall Color Options:

1. Soft Grey: A warm, light gray can add depth without overwhelming the space.

2. Light Beige: A neutral beige can create a cozy and inviting atmosphere.

3. Pale Blue: A soft blue can bring a serene and calming feel to the room.

4. Greige: A blend of grey and beige offers a modern yet warm look.

Rug Color Options:

1. Charcoal Grey: Provides contrast against the lighter gray bed and white walls.

2. Soft cream adds warmth and complements the light gray bed and neutral walls.

3. Navy Blue: Introduces a bold contrast and a touch of elegance.

4. Taupe: Offers a versatile neutral option that coordinates well with various color schemes.

Reach out to me on my Houzz profile if you need more professional design help.