The hex color #415d3c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#BEA2C3. The grayscale version is
#494949. A 20% lighter version of the original color is
#74906F, and Hex
#0E2A09 is the 20% darker color. If the color is saturated by 10%, you get
#405F3B. If the color is desaturated by 10%, the color
#425B3D is obtained.