The hex color #43f0ef is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#BC0F10. The grayscale version is
#B6B6B6. A 20% lighter version of the original color is
#76FFFF, and Hex
#10BDBC is the 20% darker color. If the color is saturated by 10%, you get
#38F6F5. If the color is desaturated by 10%, the color
#4FEAE9 is obtained.