Functions that provide visualization of palettes to help determine appropriate contexts where thay can be used.
a character vector containing hexadecimal color values.
a character string, the main title for a plot
Plotting character to use.
additional graphical parameters.
Carter and Carter established the fact that, for two colors to be
reliably distinguished, the Euclidean distance between their
representations in CIE L*u*v* color space should be at least 40
computeDistances function reorders the colors by
maximal separation in L\*u\*v\* space, and computes the minimum
distance of the next color to all the preceeding colors. The
plotDistances function computes distances and immediately plots
plotDistances function returns a list with two vector
colors in sorted order, and the minimum
distances from each color to the set of preceeding colors. The
computeDistances function returns the vector of minimum
Kevin R. Coombes <[email protected]>
Carter RC, Carter EC. High-contrast sets of colors. Applied Optics, 1982; 21(16):2936–9.
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