Select n colours from a diverging palette

Selects n colours from a diverging palette while preserving its symmetric, center-anchored structure. Rather than simply taking the first n colours, this function samples symmetrically from both ends of the palette:

• Odd n: the palette midpoint is always included, with an equal number of colours drawn from each side.

• Even n: colours are drawn evenly from the left and right halves.

The selected colours are always returned in their original palette order.

Usage

select_diverging(palette, n)

Arguments

palette

Character vector of hex colour codes representing the full diverging palette.

n

Number of colours to select. Must be between 1 and length(palette).

Value

Character vector of n hex colour codes in original palette order.

See also

stem_palette_gen(), stem_palette()

Examples

pal <- stem_palette("modern")

# Odd n: midpoint included, balanced sides
select_diverging(pal, n = 3)
#> [1] "#35978F" "#B0C89F" "#BF812D"

# Even n: two from each end
select_diverging(pal, n = 4)
#> [1] "#35978F" "#80CDC1" "#DFC27D" "#BF812D"