JSFiddle - React, Tailwind, and code Playground

HTML

<input type="text" id="custom" />
      <input type="text" id="custom2" />
      <input type="text" id="custom3" />
      <input type="text" id="custom4" />

CSS

/***
Spectrum Colorpicker v1.8.0
https://github.com/bgrins/spectrum
Author: Brian Grinstead
License: MIT
***/
.sp-container {
    position:absolute;
    top:0;
    left:0;
    display:inline-block;
    *display: inline;
    *zoom: 1;
    /* https://github.com/bgrins/spectrum/issues/40 */
    z-index: 9999994;
    overflow: hidden;
}
.sp-container.sp-flat {
    position: relative;
}

/* Fix for * { box-sizing: border-box; } */
.sp-container,
.sp-container * {
    -webkit-box-sizing: content-box;
       -moz-box-sizing: content-box;
            box-sizing: content-box;
}

/* http://ansciath.tumblr.com/post/7347495869/css-aspect-ratio */
.sp-top {
  position:relative;
  width: 100%;
  display:inline-block;
}
.sp-top-inner {
   position:absolute;
   top:0;
   left:0;
   bottom:0;
   right:0;
}
.sp-color {
    position: absolute;
    top:0;
    left:0;
    bottom:0;
    right:20%;
}
.sp-hue {
    position: absolute;
    top:0;
    right:0;
    bottom:0;
    left:84%;
    height: 100%;
}

.sp-vertical-alpha .sp-hue {
    right: 15px;
}


.sp-clear-enabled .sp-hue {
    top:33px;
    height: 77.5%;
}

.sp-fill {
    padding-top: 80%;
}
.sp-sat, .sp-val {
    position: absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
}

.sp-alpha-enabled .sp-top {
    margin-bottom: 18px;
}
.sp-alpha-enabled .sp-alpha {
    display: block;
}
.sp-alpha-handle {
    position:absolute;
    top:-4px;
    bottom: -4px;
    width: 6px;
    left: 50%;
    cursor: pointer;
    border: 1px solid black;
    background: white;
    opacity: .8;
}

.sp-vertical-alpha .sp-alpha-handle {
    left: -2;
    height: 3px;
    bottom: auto;
    width: 10px;
}

.sp-alpha {
    display: none;
    position: absolute;
    bottom: -14px;
    right: 0;
    left: 0;
    height: 8px;
}

.sp-vertical-alpha .sp-alpha {
    position: absolute;
    top: 0px;
    right: 0px;
    width: 10px;
    left: auto;
    height: 100%;
}

.sp-alpha-inner {
    border: solid 1px #333;
}

.sp-clear {
    display:...

JavaScript

// Spectrum Colorpicker v1.8.0
// https://github.com/bgrins/spectrum
// Author: Brian Grinstead
// License: MIT

(function (factory) {
    "use strict";

    if (typeof define === 'function' && define.amd) { // AMD
        define(['jquery'], factory);
    }
    else if (typeof exports == "object" && typeof module == "object") { // CommonJS
        module.exports = factory(require('jquery'));
    }
    else { // Browser
        factory(jQuery);
    }
})(function($, undefined) {
    "use strict";

    var defaultOpts = {

        // Callbacks
        beforeShow: noop,
        move: noop,
        change: noop,
        show: noop,
        hide: noop,

        // Options
        color: false,
        flat: false,
        showInput: false,
        allowEmpty: false,
        showButtons: true,
        clickoutFiresChange: true,
        showInitial: false,
        showPalette: false,
        showPaletteOnly: false,
        hideAfterPaletteSelect: false,
        togglePaletteOnly: false,
        showSelectionPalette: true,
        localStorageKey: false,
        appendTo: "body",
        maxSelectionSize: 7,
        cancelText: "cancel",
        chooseText: "choose",
        togglePaletteMoreText: "more",
        togglePaletteLessText: "less",
        clearText: "Clear Color Selection",
        noColorSelectedText: "No Color Selected",
        preferredFormat: false,
        className: "", // Deprecated - use containerClassName and replacerClassName instead.
        containerClassName: "",
        replacerClassName: "",
        showAlpha: false,
        flipAlpha: false,
        alphaVertical: false,
        theme: "sp-light",
        palette: [["#ffffff", "#000000", "#ff0000", "#ff8000", "#ffff00", "#008000", "#0000ff", "#4b0082", "#9400d3"]],
        selectionPalette: [],
        disabled: false,
        offset: null
    },
    spectrums = [],
    IE = !!/msie/i.exec( window.navigator.userAgent ),
    rgbaSupport = (function() {
        function contains( str, substr )...