GitHub - Fudge/colors_from_image: Rails Plugin which finds interesting CSS colors in an image, which can be used to suggest custom theme colors based on an uploaded image.

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Rails Plugin which finds interesting CSS colors in an image, which can be used to suggest custom theme colors based on an uploaded image.

MIT license

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ColorsFromImage
===============

Find colors from an example image, which can be used to provide theme colors
matching an uploaded logo. 

Inspired by http://blog.dabbledb.com/2007/04/white--or-green.html

It uses RMagick / ImageMagick to find interesting colors from an image
based on saturation, luminance, and the histogram.

Installation
============

Rails 2.1:

./script/plugin install git://github.com/Fudge/colors_from_image.git

Rails 2.0.2:

cd vendor/plugins; git clone git://github.com/Fudge/colors_from_image.git

Example
=======

ColorsFromImage.get_colors('/path/to/logo.jpg') # => ["#020202", "#fb680d", "#dc8e53", "#9f643f"]

background, primary, secondary, tertiary = ColorsFromImage.get_colors('/path/to/logo.jpg')
text_color = ColorsFromImage.dark?(background) ? "#fff" : "#333"


The first result is the background color (nil if the image is transparent), and the following entries
are the interesting colors sorted by relevance. 

Copyright (c) 2008 Erlend Simonsen, released under the MIT license