Interaktivni Color Picker - RGB, HEX in RGBA pretvornik

Z drsniki nastavi rdečo, zeleno in modro barvo ter prosojnost (alpha kanal). Orodje bo samodejno izračunalo vse formate, ki jih potrebuješ pri pisanju CSS kode.

PRIMER

                        <!DOCTYPE html>
<html lang="sl">
<head>
    <meta charset="UTF-8">
    <title>Izbirnik Barv - Primer</title>
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="style.css">
    <script src="script.js" defer></script>
</head>
<body>
    <div class="cp-container">
        <div class="cp-preview-wrapper">
            <div id="preview" class="cp-preview"></div>
        </div>
        
        <div class="cp-controls-grid">
            <div class="cp-control">
                <div class="cp-label-wrapper">
                    <label for="r">Rdeča (R)</label>
                    <span id="rVal" class="badge badge-r">255</span>
                </div>
                <input type="range" id="r" min="0" max="255" value="255">
            </div>
            
            <div class="cp-control">
                <div class="cp-label-wrapper">
                    <label for="g">Zelena (G)</label>
                    <span id="gVal" class="badge badge-g">0</span>
                </div>
                <input type="range" id="g" min="0" max="255" value="0">
            </div>
            
            <div class="cp-control">
                <div class="cp-label-wrapper">
                    <label for="b">Modra (B)</label>
                    <span id="bVal" class="badge badge-b">0</span>
                </div>
                <input type="range" id="b" min="0" max="255" value="0">
            </div>
            
            <div class="cp-control">
                <div class="cp-label-wrapper">
                    <label for="a">Prosojnost (Alpha)</label>
                    <span id="aVal" class="badge badge-a">1</span>
                </div>
                <input type="range" id="a" min="0" max="1" step="0.1" value="1">
            </div>
        </div>

        <div class="cp-outputs">
            <div class="cp-output-item"><strong>HEX:</strong> <span id="hexOut">#FF0000</span></div>
            <div class="cp-output-item"><strong>RGB:</strong> <span id="rgbOut">rgb(255, 0, 0)</span></div>
            <div class="cp-output-item"><strong>RGBA:</strong> <span id="rgbaOut">rgba(255, 0, 0, 1)</span></div>
        </div>
    </div>
</body>
</html>
                    

                        .cp-container {
    max-width: 450px;
    margin: 2rem auto;
    padding: 25px;
    background: var(--card, #ffffff);
    border: 1px solid var(--border, #e0e0e0);
    border-radius: 14px;
    color: var(--fg, #1e1e1e);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Ovoj omogoča šahovnico v ozadju za prikaz prosojnosti */
.cp-preview-wrapper {
    width: 100%;
    height: 140px;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid var(--border, #e0e0e0);
    background-image: linear-gradient(45deg, #eee 25%, transparent 25%), 
                      linear-gradient(-45deg, #eee 25%, transparent 25%), 
                      linear-gradient(45deg, transparent 75%, #eee 75%), 
                      linear-gradient(-45deg, transparent 75%, #eee 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    overflow: hidden;
}

.cp-preview {
    width: 100%;
    height: 100%;
    background-color: rgba(255, 0, 0, 1);
    transition: background-color 0.1s ease;
}

.cp-controls-grid {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 25px;
}

.cp-control {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.cp-label-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cp-control label {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

/* Stilski prikazovalniki trenutnih vrednosti */
.badge {
    font-family: 'Source Code Pro', monospace;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 6px;
    background: var(--bg, #f1f3f5);
}
.badge-r { color: #dc3545; background: rgba(220, 53, 69, 0.1); }
.badge-g { color: #28a745; background: rgba(40, 167, 69, 0.1); }
.badge-b { color: #007bff; background: rgba(0, 112, 243, 0.1); }
.badge-a { color: #6c757d; background: rgba(108, 117, 125, 0.1); }

.cp-control input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg, #e9ecef);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}

/* Lepši izgled drsnika za brskalnike Chrome/Safari/Webkit */
.cp-control input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent, #007bff);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.1s ease;
}
.cp-control input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Lepši izgled drsnika za Firefox */
.cp-control input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border: none;
    border-radius: 50%;
    background: var(--accent, #007bff);
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
    transition: transform 0.1s ease;
}
.cp-control input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.cp-outputs {
    background: var(--bg, #f8f9fa);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid var(--border, #e0e0e0);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cp-output-item {
    font-family: 'Source Code Pro', monospace;
    font-size: 0.95rem;
    color: var(--fg);
    display: flex;
    justify-content: space-between;
}

.cp-output-item span {
    font-weight: 700;
    color: var(--accent, #007bff);
}

                    

                        // JavaScript zavijemo v DOMContentLoaded poslušalec, da počaka na celoten HTML DOM!
document.addEventListener("DOMContentLoaded", function() {
    const r = document.getElementById('r');
    const g = document.getElementById('g');
    const b = document.getElementById('b');
    const a = document.getElementById('a');

    const rVal = document.getElementById('rVal');
    const gVal = document.getElementById('gVal');
    const bVal = document.getElementById('bVal');
    const aVal = document.getElementById('aVal');

    const preview = document.getElementById('preview');
    const hexOut = document.getElementById('hexOut');
    const rgbOut = document.getElementById('rgbOut');
    const rgbaOut = document.getElementById('rgbaOut');

    // Preverjanje varnosti za simulator
    if (!r || !g || !b || !a) return;

    function componentToHex(c) {
        var hex = parseInt(c).toString(16);
        return hex.length == 1 ? "0" + hex : hex;
    }

    function updateColors() {
        const rv = r.value;
        const gv = g.value;
        const bv = b.value;
        const av = a.value;

        // Posodobi številke zraven drsnikov
        if(rVal) rVal.textContent = rv;
        if(gVal) gVal.textContent = gv;
        if(bVal) bVal.textContent = bv;
        if(aVal) aVal.textContent = av;

        // Sestavljanje barvnih nizov
        const rgb = `rgb(${rv}, ${gv}, ${bv})`;
        const rgba = `rgba(${rv}, ${gv}, ${bv}, ${av})`;
        const hex = `#${componentToHex(rv)}${componentToHex(gv)}${componentToHex(bv)}`.toUpperCase();

        // Prikaz rezultatov
        if(preview) preview.style.backgroundColor = rgba;
        if(hexOut) hexOut.textContent = hex;
        if(rgbOut) rgbOut.textContent = rgb;
        if(rgbaOut) rgbaOut.textContent = rgba;
    }

    // Dodajanje dogodkov na vse drsnike
    [r, g, b, a].forEach(el => {
        if(el) el.addEventListener('input', updateColors);
    });

    // Začetni izračun ob nalaganju strani
    updateColors();
});
                    

REZULTAT

Interaktivni Color Picker - RGB, HEX in RGBA pretvornik

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