The hex color #23cfa1 is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#DC305E. The grayscale version is
#868686. A 20% lighter version of the original color is
#56FFD4, and Hex
#009C6E is the 20% darker color. If the color is saturated by 10%, you get
#19D6A4. If the color is desaturated by 10%, the color
#2DC89E is obtained.