The hex color #6bbda0 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#94425F. The grayscale version is
#989898. A 20% lighter version of the original color is
#9EF0D3, and Hex
#388A6D is the 20% darker color. If the color is saturated by 10%, you get
#67C1A1. If the color is desaturated by 10%, the color
#70B99F is obtained.