In transparent color this has more the effect of a dark gray than a

brilliant black, such as is produced with body colors. When you want a

very dark black, it is better to use a little India ink with it. It is

used in the skies of landscapes when you wish a gray effect, or to

subdue a too strong blue color or red, and in foregrounds for rocks. In

connection with yellow it will make a sombre green for trees,

mountains, etc. In portraits it is used for the hair and eyes, in the

shadows around the mouth, and in drapery in connection with the other