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A color generator for PHP

Home Page: http://www.strangeplanet.fr/work/RandomColor.php

License: MIT License

PHP 100.00%

randomcolor.php's Introduction

Random Color

For generating attractive random colors.

This is a PHP port of David Merfield randomColor Javascript utility.

See the results on the demo.

Options

You can pass an options object to influence the type of color it produces. The options object accepts the following properties:

hue – Controls the hue of the generated color. You can pass a string representing a color name (e.g. 'orange'). Possible color names are red, orange, yellow, green, blue, purple, pink and monochrome. You can also pass an array of multiple hues or a specific hue (0 to 360).

luminosity – Controls the luminosity of the generated color. You can pass a string containing bright, light or dark.

format – A string which specifies the format of the generated color. Possible values are hsv, hsl, hslCss, rgb, rgbCss, and hex.

prng – A random (or not) number generator. mt_rand is used as default one.

Examples

use \Colors\RandomColor;

// Returns a hex code for an attractive color
RandomColor::one(); 

// Returns an array of ten green colors
RandomColor::many(10, array(
   'hue' => 'green'
));

// Returns a hex code for a light blue
RandomColor::one(array(
   'luminosity' => 'light',
   'hue' => 'blue'
));

// Returns one yellow or blue color
RandomColors::one(array(
    'hue' => array('yellow', 'blue')
));

// Returns a hex code for a 'truly random' color
RandomColor::one(array(
   'luminosity' => 'random',
   'hue' => 'random'
));

// Returns a bright color in RGB
RandomColor::one(array(
   'luminosity' => 'bright',
   'format' => 'rgbCss' // e.g. 'rgb(225,200,20)'
));

Other languages

RandomColor is available in JavaScript, C#, C++, Go, Haskell, Kotlin, Mathematica, Python, Swift, Perl6, Objective-C, Java, R, Reason, Dart, Ruby and Rust

License

This project is licensed under the terms of the MIT license.

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randomcolor.php's Issues

I want fix color everytime whenver i refresh the page

I don't want randomcolor. I want fix color everytime whenever i refresh the page. How can i get this??

Determine the base color?

doesn't this allow us to choose a color from the outside? For example HEX code?

Deterministic Color Creation

It would be nice to have the option to create deterministic colors. Providing a seed for RandomColor (which will not interfere with the normal mt_random) would be really nice.

New functionality: not retrive similar colors

Hello,

When we use RandomColor::many(36);
We often get similar colors.
eg green, and darker green.

It could be useful to not retrive similar colors.

Let me know what you think. And if it's doable.

Produce color from hash

I would like to use your library to produce color from hash string?

For example, I have pie chart and I would like to assign color per each portion of it based on data for such portion.

I would like to hash within that portion and produce some color based on that hash.

Now I am facing problem that it always generates different color.

Implicit conversion from float 87.6 to int loses precision - #0 [internal function]: {closure}()
#1 \composer\vendor\mistic100\randomcolor\src\RandomColor.php(263): mt_rand()
#2 \composer\vendor\mistic100\randomcolor\src\RandomColor.php(165): Colors\RandomColor::_rand()
#3 \composer\vendor\mistic100\randomcolor\src\RandomColor.php(44): Colors\RandomColor::_pickBrightness()

My quick patch, but might be fix higher in the call stack

diff --git "a/src/RandomColor.php" "b/src/RandomColor.php"
index df96204..f1ee99b 100644
--- "a/src/RandomColor.php"
+++ "b/src/RandomColor.php"
@@ -260,7 +260,7 @@ class RandomColor
     }
     else
     {
-      return mt_rand($bounds[0], $bounds[1]);
+      return mt_rand(round($bounds[0]), round($bounds[1]));
     }
   }