Blue-white-red color sequence
Generate a blue-white-red color sequence of a given length.
blueWhiteRed(n, gamma = 1, endSaturation = 1)
n |
number of colors to be returned. |
gamma |
color change power. |
endSaturation |
a number between 0 and 1 giving the saturation of the colors that will represent the ends of the scale. Lower numbers mean less saturation (lighter colors). |
The function returns a color vector that starts with blue, gradually turns into white and then to
red. The power gamma can be used to control the behaviour of the quarter- and three quarter-values
(between blue and white, and white and red, respectively). Higher powers will make the mid-colors more
white, while lower powers will make the colors more saturated, respectively.
A vector of colors of length n.
Peter Langfelder
numbers2colors for a function that produces a color representation for continuous numbers.
par(mfrow = c(3, 1))
displayColors(blueWhiteRed(50));
title("gamma = 1")
displayColors(blueWhiteRed(50, 3));
title("gamma = 3")
displayColors(blueWhiteRed(50, 0.5));
title("gamma = 0.5")Please choose more modern alternatives, such as Google Chrome or Mozilla Firefox.