The hex color #a0c1a3 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#5F3E5C. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#D3F4D6, and Hex
#6D8E70 is the 20% darker color. If the color is saturated by 10%, you get
#9FC3A2. If the color is desaturated by 10%, the color
#A1BFA4 is obtained.