The hex color #43f3df is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#BC0C20. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#76FFFF, and Hex
#10C0AC is the 20% darker color. If the color is saturated by 10%, you get
#38FAE4. If the color is desaturated by 10%, the color
#4EECDA is obtained.