Solid gray walls would make the variety of warm colors and patterns in this space overwhelming so greige is a perfect way to pull in a few warm tones to make the space calming but fun.
Carpet colors for greige walls.
Also replacing the carpet is expensive.
For carpet colors they will vary based on each line but creams greiges and blues should work.
Unless you have the resources and patience to replace your carpet every few years as trends change you are best to keep the color on the floor neutral.
Make sure there is enough color contrast with floors and walls.
What carpet colors and color patterns are options.
Carpet has a big impact in a room and bright colors in a large expanse can be overpowering.
For carpet manufacturers there is a big advantage that comes with producing the carpet fibers in greige form and then adding color afterward.
Ram yes agreeable gray should work with wood cabinets but still i would get a sample to validate it as there are many shades tones with wood cabinets.
Doing so enables the manufacturer to have a large quantity of this colorless fiber at the ready and it can then turn the fiber into any color as it receives orders from customers.
Polyesters tend to dye better but this is changing.
The short answer is any color you can imagine.
If you look carefully both of the light gray walls and light gray carpet flooring that is used specifically can be said to have greige color which is the combination of gray and beige.
Read more about the pros and cons of carpet.
This limited color options but today technology allows us to get more colors with almost any carpet material sometimes carpet material can make a difference.