Convert RGB Values to HEX Color Codes

Convert RGB values to HEX color codes. Accepts either a numeric vector of length 3 or a data.frame with columns r, g, b (symmetric with hex2rgb()).

Usage

rgb2hex(rgb)

Arguments

rgb

A numeric vector of length 3 (e.g., c(255, 128, 0)), or a data.frame with columns r, g, b. Values must be in [0, 255]. Non-integer values are rounded to the nearest integer before conversion.

Value

A character vector of HEX color codes.

Examples

rgb2hex(c(255, 128, 0))
#> [1] "#FF8000"
rgb2hex(hex2rgb(c("#FF8000", "#00FF00")))
#> [1] "#FF8000" "#00FF00"