The hex color #C5E7E9 is a light color. The web-safe version is Hex
#CCFFFF. A complementary color is
#3A1816. The grayscale version is
#DCDCDC. A 20% lighter version of the original color is
#F8FFFF, and Hex
#92B4B6 is the 20% darker color. If the color is saturated by 10%, you get
#C3E8EA. If the color is desaturated by 10%, the color
#C7E6E8 is obtained.