Convert hex color to RGB & RGB to hex using bash script – Code Example

Total
0
Shares

In this article we will provide you code examples to convert hex color to RGB and RGB to hex using bash script. The code will work for both with or without # characters in hex colors.

Code Example –

1. Hex color to RGB –

#!/bin/bash

hex_to_rgb() {
    : "${1/\#}"
    ((r=16#${_:0:2},g=16#${_:2:2},b=16#${_:4:2}))
    printf '%s\n' "$r $g $b"
}

hex_to_rgb "#FFFFFF"

# Output:
# 255 255 255

2. RGB to Hex code

#!/bin/bash

rgb_to_hex() {
    printf '#%02x%02x%02x\n' "$1" "$2" "$3"
}

rgb_to_hex "255" "255" "255"

# Output:
# #ffffff

Inspired from Dylan Araps

Live Demo

Open Live Demo