Day 1. Rgb2Hex

Rgb2Hex is a ruby gem which lets you quickly convert RGB value of a color to its HEX value.

Install

Gem is hosted on RubyGems.org. To install the gem enter the following command:

>> gem install rgb2hex

Usage

Rgb2Hex expects 3 integer values between 0 and 255 each separated by a space. It produces a HEX value prefixed with #. Rgb2Hex gem comes with a binary, which allows the gem to be used from the console.

>> rgb2hex 255 0 144    # magenta
=> #ff0090