{% assign sortableString = "" %}
{% assign sortableStringGreys = "" %}

{% for icon in site.data.simple-icons.icons %}
    {% assign hex = icon.hex %}

    {% assign hexR1 = hex | slice: 0, 1 %}
    {% assign hexR2 = hex | slice: 1, 1 %}
    {% assign hexG1 = hex | slice: 2, 1 %}
    {% assign hexG2 = hex | slice: 3, 1 %}
    {% assign hexB1 = hex | slice: 4, 1 %}
    {% assign hexB2 = hex | slice: 5, 1 %}

    {% capture hexString %}{{ hexR1 }},{{ hexR2 }},{{ hexG1 }},{{ hexG2 }},{{ hexB1 }},{{ hexB2 }}{% endcapture %}
    {% assign hexArray = hexString | split: "," %}

    {% assign decString = "" %}

    {% for hex in hexArray %}
        {% case hex %}
            {% when "0" %}
                {% assign decString = decString | append: "0" %}
            {% when "1" %}
                {% assign decString = decString | append: "1" %}
            {% when "2" %}
                {% assign decString = decString | append: "2" %}
            {% when "3" %}
                {% assign decString = decString | append: "3" %}
            {% when "4" %}
                {% assign decString = decString | append: "4" %}
            {% when "5" %}
                {% assign decString = decString | append: "5" %}
            {% when "6" %}
                {% assign decString = decString | append: "6" %}
            {% when "7" %}
                {% assign decString = decString | append: "7" %}
            {% when "8" %}
                {% assign decString = decString | append: "8" %}
            {% when "9" %}
                {% assign decString = decString | append: "9" %}
            {% when "A" %}
                {% assign decString = decString | append: "10" %}
            {% when "B" %}
                {% assign decString = decString | append: "11" %}
            {% when "C" %}
                {% assign decString = decString | append: "12" %}
            {% when "D" %}
                {% assign decString = decString | append: "13" %}
            {% when "E" %}
                {% assign decString = decString | append: "14" %}
            {% when "F" %}
                {% assign decString = decString | append: "15" %}
        {% endcase %}
        {% unless forloop.last %}{% assign decString = decString | append: "," %}{% endunless %}
    {% endfor %}

    {% assign decArray = decString | split: "," %}

    {% assign decR = decArray[0] | times: 16 | plus: decArray[1] | divided_by: 255.0 %}
    {% assign decG = decArray[2] | times: 16 | plus: decArray[3] | divided_by: 255.0 %}
    {% assign decB = decArray[4] | times: 16 | plus: decArray[5] | divided_by: 255.0 %}

    {% if decR <= decG and decR <= decB %}
        {% assign decMin = decR %}
    {% endif %}

    {% if decG < decR and decG <= decB %}
        {% assign decMin = decG %}
    {% endif %}

    {% if decB < decR and decB < decG %}
        {% assign decMin = decB %}
    {% endif %}



    {% if decR >= decG and decR >= decB %}
        {% assign decMax = decR %}
    {% endif %}

    {% if decG > decR and decG >= decB %}
        {% assign decMax = decG %}
    {% endif %}

    {% if decB > decR and decB > decG %}
        {% assign decMax = decB %}
    {% endif %}

    {% assign decDelta = decMax | minus: decMin | times: 1.0 %}



    {% assign hslL = decMax | plus: decMin | times: 50.0 %}



    {% if decMax == decMin %}
        {% assign hslH = 360.0 %}
        {% assign hslS = 0.0 %}
    {% else %}
        {% if hslL < 50 %}
            {% assign hslS = decMax | plus: decMin | times: 0.01 %}
            {% assign hslS = decDelta | divided_by: hslS %}
        {% else %}
            {% assign hslS = 2 | minus: decMax | minus: decMin | times: 1.0 %}
            {% assign hslS = 100 | times: decDelta | divided_by: hslS %}
        {% endif %}
        {% if decMax == decR %}
            {% assign hslH = decG | minus: decB | divided_by: decDelta | times: 60.0 %}
            {% if hslH < 0 %}
                {% assign hslH = hslH | plus: 360.0 %}
            {% endif %}
        {% else if decMax == decG %}
            {% assign hslH = decB | minus: decR | divided_by: decDelta | plus: 2.0 | times: 60.0 %}
        {% else %}
            {% assign hslH = decR | minus: decG | divided_by: decDelta | plus: 4.0 | times: 60.0 %}
        {% endif %}
    {% endif %}

    {% assign hslH = hslH | plus: 90 | modulo: 360 %}

    {% assign padding = "" %}
    {% if hslH < 100 %}
        {% assign padding = "0" %}
    {% endif %}
    {% if hslH < 10 %}
        {% assign padding = "00" %}
    {% endif %}

    {% if hslS < 25 %}
        {% capture sortableStringGreys %}{{ sortableStringGreys }}|{{ hslL }}${{ padding }}{{ hslH }}${{ hslS }}${{ hex }}${{ icon.title }}{% endcapture %}
    {% else %}
        {% capture sortableString %}{{ sortableString }}|{{ padding }}{{ hslH }}${{ hslS }}${{ hslL }}${{ hex }}${{ icon.title }}{% endcapture %}
    {% endif %}


{% endfor %}

{% assign sortableString = sortableString | replace_first: "|", "" %}
{% assign sortableArray = sortableString | split: "|" %}
{% assign sortableArray = sortableArray | sort %}
{% assign sortableArrayGreys = sortableStringGreys | split: "|" %}
{% assign sortableArrayGreys = sortableArrayGreys | sort | reverse %}

<!doctype html>
<html lang="en-gb">
<head>
    <meta charset="utf-8">
    <meta content="initial-scale=1, width=device-width" name="viewport">
    <link href="/css/styles.css" rel="stylesheet">
</head>

<body>
    <header class="navbar" role="banner">
        <ul class="navbar__nav" role="navigation">
            <li class="navbar__nav-item navbar__nav-item--home"><a href="/">Simple Icons</a></li>
            <li class="navbar__nav-item"><a href="https://github.com/danleech/simple-icons/blob/master/README.md">About</a></li>
            <li class="navbar__nav-item"><a href="https://github.com/danleech/simple-icons">GitHub</a></li>
        </ul>
    </header>
    <main role="main">
        <ul class="grid">
            <li class="grid-item grid-item--ad">
                <div id="carbonads">
                    <span>
                        <span class="carbon-wrap">
                            <a class="carbon-img" href="#">
                                <img src="http://placehold.it/130x100&text=Ad">
                            </a>
                            <a class="carbon-text" href="#">Create your website with a beautiful Squarespace template. Start a free trial.</a>
                        </span>
                        <a class="carbon-poweredby" href="#">ads via Carbon</a>
                    </span>
                </div>
            </li>
            {% for entry in sortableArray %}
{% assign entryArray = entry | split: "$" %}
<li class="grid-item" style="background-color:#{{ entryArray[3] }}">
    <a class="grid-item__link" href="#">
        <img class="grid-item__image" src="http://placehold.it/24x24">
        <h2 class="grid-item__title">{{ entryArray[1] }}</h2>
    </a>
    <p class="grid-item__subtitle">#{{ entryArray[3] }}</p>
</li>
{% endfor %}
{% for entry in sortableArrayGreys %}
{% assign entryArray = entry | split: "$" %}
<li class="grid-item" style="background-color:#{{ entryArray[3] }}">
    <a class="grid-item__link" href="#">
        <img class="grid-item__image" src="http://placehold.it/24x24">
        <h2 class="grid-item__title">{{ entryArray[4] }}</h2>
    </a>
    <p class="grid-item__subtitle">#{{ entryArray[3] }}</p>
</li>
{% endfor %}
            <!-- <li class="grid-item">
                <a class="grid-item__link" href="#">
                    <img class="grid-item__image" src="http://placehold.it/24x24" alt="Icon name">
                    <h2 class="grid-item__title">Icon name</h2>
                </a>
                <p class="grid-item__subtitle">#AABBCC</p>
            </li> -->
        </ul>
    </main>
    <footer class="footer" role="contentinfo">
        <p>A <a href="https://github.com/danleech/simple-icons/blob/master/LICENSE.md">CC0</a> project maintained by <a href="https://twitter.com/bathtype">Dan Leech</a>.</p>
        <p>Use <a href="https://github.com/danleech/simple-icons">GitHub</a> for requests, corrections and contributions.</p>
    </footer>
</body>
</html>