PASTEL SHADES:

Pastels or pastel colors are the family of colors which, when described in the HSV color space, have high value and low to intermediate saturation. The name comes from pastels, art media characteristic of this color family. The colors of this family are usually described as "soothing", "soft", "near neutral", "milky", "washed out", "desaturated", and lacking strong chromatic content. Pink, mauve, and baby blue are typical pastel colors. (from wikipedia.)

See also: Explore pastel colours.