Interiors are colors in the tan family.
Two of the most popular ones I’m seeing are
"Sand Beach" from Sherwin Williams
"Shaker Beige" from Benjamin Moore
I have a lot of my customers going with whites, grays, and black. For example, in kitchens I have been seeing white cabinets with black tops and gray walls. There is usually a bright pop of color on the island cabinets. Green accents have been popular.
Being a Custom Home Builder it is hard to answer this because we build and decorate our homes based on our clients specifications. Different people have different tastes. However, there is an article on House Beautiful that probably has all of the information that you are looking for & then some. See below.
Its a very interesting, well thought out read, full of lots of fun facts. Hope that helps.
INT - White!, Light light Gray
EXT - Beige + -
Cabinets - Espresso
Countertop - Eggshell (caesarstone)