Replacing taupe with khaki changes more than brightness: a brown background becomes yellow-green. Taupe keeps the reddish warmth of clay, while khaki brings in an olive tint. For a brown paper label or an olive canvas bag, that difference can matter more than how light either swatch looks.

Building with CSS? Use the HEX shown here. The CSS color table lists this khaki reference as darkkhaki; khaki itself is the paler #F0E68C.