The hex color #8dcda3 is a light color. The web-safe version is Hex
#99CC99. A complementary color is
#72325C. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#C0FFD6, and Hex
#5A9A70 is the 20% darker color. If the color is saturated by 10%, you get
#8AD1A2. If the color is desaturated by 10%, the color
#90C9A4 is obtained.