The hex color #c3ecdb is a light color. The web-safe version is Hex
#CCFFCC. A complementary color is
#3C1324. The grayscale version is
#D9D9D9. A 20% lighter version of the original color is
#F6FFFF, and Hex
#90B9A8 is the 20% darker color. If the color is saturated by 10%, you get
#C1EEDB. If the color is desaturated by 10%, the color
#C5EADB is obtained.