The hex color #91a49c is a light color. The web-safe version is Hex
#999999. A complementary color is
#6E5B63. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#C4D7CF, and Hex
#5E7169 is the 20% darker color. If the color is saturated by 10%, you get
#90A59C. If the color is desaturated by 10%, the color
#92A39C is obtained.