gray.colors {grDevices}R Documentation

Gray Color Palette


Create a vector of n gamma-corrected gray colors.


gray.colors(n, start = 0.3, end = 0.9, gamma = 2.2)
grey.colors(n, start = 0.3, end = 0.9, gamma = 2.2)


n the number of gray colors (>= 1) to be in the palette.
start starting gray level in the palette (should be between 0 and 1 where zero indicates "black" and one indicates "white").
end ending gray level in the palette.
gamma the gamma correction.


The function gray.colors chooses a series of n gamma-corrected gray levels between start and end: seq(start^gamma, end^gamma, length = n)^(1/gamma). The returned palette contains the corresponding gray colors. This palette is used in barplot.default.

grey.colors is an alias for gray.colors.


A vector of n gray colors.

See Also

gray, rainbow, palette.


pie(rep(1,12), col = gray.colors(12))
barplot(1:12, col = gray.colors(12))

[Package grDevices version 2.5.0 Index]