show_col: Show colors

In jiho/chroma: Parse and Manipulate Colors, Create Perceptually Correct Color Palettes

Show colors

Description

Display one or several (collections of) colors next to each other

Usage

show_col(...)

Arguments

...	vectors of colors (specified as hex codes) to display. Each vector is displayed on a separate line. Can also be a list of such vectors, in which case each element of the list is displayed on a separate line.

Examples

# Display one color
show_col("#ff3399")

# Display and compare color collections
show_col(c("#ff3399", "#9c0c55"))
show_col(c("#ff3399", "#9c0c55"), c("#2976fe", "#0c2c8a"))

# Compare color palettes
show_col(grey.colors(20))
show_col(grey.colors(20), rainbow(20), heat.colors(15),
         terrain.colors(6), topo.colors(10), cm.colors(20))
# MATLAB's jet colors vs. R's rainbow
jet.colors <- colorRampPalette(c("#00007F", "blue", "#007FFF",
  "cyan", "#7FFF7F", "yellow", "#FF7F00", "red", "#7F0000"))
show_col(rev(rainbow(20, start=0, end=0.65)), jet.colors(20))
# ewwww :-(

jiho/chroma documentation built on Feb. 5, 2025, 10:32 p.m.