gray                  package:base                  R Documentation

Gray Level Specification

Description:

     Create a vector of colors from a vector of gray levels.

Usage:

     gray(level)
     grey(level)

Arguments:

   level: a vector of desired gray levels between `0' and `1'; zero
          indicates `"black"' and one indicates `"white"'.

Details:

     The values returned by `gray' can be used with a `col='
     specification in graphics functions or in `par'.

     `grey' is an alias for `gray'.

Value:

     A vector of ``colors'' of the same length as `level'.

See Also:

     `rainbow', `hsv', `rgb'.

Examples:

     gray(0:8 / 8)

