The hex color #6ecbb4 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#91344B. The grayscale version is
#A4A4A4. A 20% lighter version of the original color is
#A1FEE7, and Hex
#3B9881 is the 20% darker color. If the color is saturated by 10%, you get
#69CFB6. If the color is desaturated by 10%, the color
#73C7B2 is obtained.