A Ruby gem for extract the dominant color(s) from an image (remote image, locally image, base64 image etc...)
Get HEX(A) color(s), RGB(A) color(s) and HSL(A) color(s)
Add this line to your application's Gemfile:
gem 'rails_dominant_colors'
And then execute:
$ bundle install
Or install it yourself as:
$ gem install rails_dominant_colors
colors = 5 # Optional, number of colors (default: 5)
dominant_colors = RailsDominantColors::Base64.new('data:image/png;base64,awesome-image', colors)
# or
RailsDominantColors::Url.new('https://awesome-url.com/awesome-image.png', colors)
# or
RailsDominantColors::Path.new('/awesome/path/awesome-image.png', colors)
# and
dominant_colors.to_hex # => ["#FF007F", "#000000", "#1C000F", "#A0004F", "#000000"]
dominant_colors.to_hex_alpha # => ["#FF007FFF", "#00000000", "#1C000FFE", "#A0004FFF", "#0000005F"]
dominant_colors.to_rgb # => [[255, 0, 127], [0, 0, 0], [28, 0, 15], [160, 0, 79], [0, 0, 0]]
dominant_colors.to_rgb_alpha # => [[255, 0, 127, 1.0], [0, 0, 0, 0.0], [28, 0, 15, 1.0], [160, 0, 79, 1.0], [0, 0, 0, 0.37]]
dominant_colors.to_hsl # => [[330, 100, 50], [0, 0, 0], [328, 100, 5], [330, 100, 31], [0, 0, 0]]
dominant_colors.to_hsl_alpha # => [[330, 100, 50, 1.0], [0, 0, 0, 0.0], [328, 100, 5, 1.0], [330, 100, 31, 1.0], [0, 0, 0, 0.37]]
# Awesome bonus
dominant_colors.to_pct # => [52.16, 37.45, 9.93, 0.35, 0.1]
Bug reports and pull requests are welcome on GitHub at https://github.com/OpenGems/rails_dominant_colors. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
The gem is available as open source under the terms of the MIT License.