colorschemes {dichromat}

R Documentation

Color Schemes

Description

17 color schemes suitable for people with deficient or anomalous red-green vision.

Usage

colorschemes

Format

• BrowntoBlue.10

• BrowntoBlue.12

• BluetoDarkOrange.12

• BluetoDarkOrange.18

• DarkRedtoBlue.12

• DarkRedtoBlue.18

• BluetoGreen.14

• BluetoGray.8

• BluetoOrangeRed.14

• BluetoOrange.10

• BluetoOrange.12

• BluetoOrange.8

• LightBluetoDarkBlue.10

• LightBluetoDarkBlue.7

• Categorical.12

• GreentoMagenta.16

• SteppedSequential.5

Author(s)

Scott Waichler <scott.waichler@pnl.gov>

Source

https://geography.uoregon.edu/datagraphics/color_scales.htm

References

Light A, Bartlein PJ (2004). The End of the Rainbow? Color Schemes for Improved Data Graphics. EOS Transactions of the American Geophysical Union, 85(40), 385.

Examples

Run examples

pal <- function(col, ...)
  image(seq_along(col), 1, matrix(seq_along(col), ncol = 1),
  col = col, axes = FALSE, ...)

opar <- par(mar = c(1, 2, 1, 1))
layout(matrix(1:6, ncol = 1))
pal(colorschemes$BrowntoBlue.10, main = "Brown to Blue (10)")
pal(colorRampPalette(colorschemes$BrowntoBlue.10, space = "Lab")(100),
  main = "Brown to Blue Ramp")
pal(dichromat(colorschemes$BrowntoBlue.10),
  main = "Brown to Blue (10) -- deuteranopia")
pal(colorschemes$Categorical.12, main = "Categorical (12)")
pal(dichromat(colorschemes$Categorical.12),
  main = "Categorical (12) -- deuteranopia")
pal(dichromat(colorschemes$Categorical.12, "protan"),
  main = "Categorical (12) -- protanopia")
par(opar)

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