The hex color #45a09c is a light color. The web-safe version is Hex
#339999. A complementary color is
#BA5F63. The grayscale version is
#808080. A 20% lighter version of the original color is
#78D3CF, and Hex
#126D69 is the 20% darker color. If the color is saturated by 10%, you get
#3FA39F. If the color is desaturated by 10%, the color
#4B9D99 is obtained.