The hex color #6fbda4 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#90425B. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#A2F0D7, and Hex
#3C8A71 is the 20% darker color. If the color is saturated by 10%, you get
#6BC0A5. If the color is desaturated by 10%, the color
#73BAA3 is obtained.