🎨 Convert RGB values to HEX color codes

A utility function to convert RGB color values (either a numeric vector or list of vectors) into HEX color codes, with informative feedback.

Usage

rgb2hex(rgb)

Arguments

rgb

A numeric vector of length 3 (e.g. c(255, 128, 0)), or a list of such vectors (e.g. list(c(255, 128, 0), c(0, 255, 0))).

Value

A HEX color string if a single RGB vector is provided, or a character vector of HEX codes if a list of RGB values is provided.

Examples

# Convert single RGB value
rgb2hex(c(255, 128, 0))  # "#FF8000"
#> ✔ RGB: c(255, 128, 0) → HEX: #FF8000
#> [1] "#FF8000"

# Convert multiple RGB values
rgb2hex(list(c(255, 128, 0), c(0, 255, 0)))  # c("#FF8000", "#00FF00")
#> ✔ Converted 2 RGB value(s) to HEX:
#> ℹ RGB: c(255, 128, 0) → HEX: #FF8000
#> ℹ RGB: c(0, 255, 0) → HEX: #00FF00
#> [1] "#FF8000" "#00FF00"