Image Color Extract

Demo

test image
ColorColor CodePercentage
#f0a8000.229702
#6060300.175060
#d878000.150476
#4848180.100952
#9018180.076726
#3018180.059643
#7878480.045893
#c030180.030536
#d860180.027500
#1818000.023214
(1-255)

The Image Color Extract PHP class pulls the most common colors out of an image file. The color values are in hexidecimal. You can try it out below. Upload a file or use the sample image provided. This class was originally written by Csongor Zalatnai. You can get his original version here: http://www.phpclasses.org/browse/package/3370.html.

I added added some enhancements to this class:

  • Allow you to select the quantization delta. The smaller the delta the more accurate the color. This also increases the number of similar colors though.
  • Added a filter to reduce brightness variants of the same color.
  • Added a filter to reduce gradient variants ( useful for logos ).
  • Changed color counts to percentages.

Download (version 1.3)

colorextract_1_3.zip zip format (553kb)

Requirements

  • PHP 4.0.2 or higher
  • GD2 image library

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Image Color Extract Using PHP

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