By adding black and some white one gets the endless varieties of grays - red gray, yellow-gray, blue-gray, green-gray, orange-gray, violet-gray.

加入黑色和些许白色，你就能得到变化无穷的灰色——灰红、灰黄、灰蓝、灰绿、灰橙、灰紫。

youdao

They are available in ten colors, including black, white, red, pink, light brown, dark gray, yellow, purple, orange and green.

ENGADGET: Yamaha intros mini audio systems with iOS remote control, explosion of colors

On their website they show a combination in gray, blue and yellow that looks very au courant.

WSJ: Fifty Shades of Not Gray | Living Well

Lovely colors abound: terra cotta, ochre, pink, white and yellow accented by gray, beige, black, green and brown shutters.

WSJ: Rome's Piazza Navona: Perfection, Squared | Masterpiece by Willard Spiegelman