Hello Louise,
The walls are painted in Sherwin Williams Kilim Beige, 6106. This is a great color, because it works in practically any light, and doesn't turn to odd variations of pink or purple or orange, as some beiges and some grays often do in certain light. If you'd like to go lighter, Desert Taupe and Divine White, on the same strip work well usually, but Desert Taupe can throw color a little strangely at times, so be sure to test it first. Diving White is a nice, warm vs stark white, but definitely less beige than the Kilim shown in this picture.
Q
Caesarstone Frosty Carrina
Q