Illustrator script—Exports CMYK, RGB, and Hex values for all the color swatches in a document. CMYK to RGB conversion using Adobe’s default US Web Coated SWOP2 to sRGB.

jd-export.jsx

/**
 * jd-export.jsx
 * -------------
 * Illustrator script—Exports CMYK, RGB, and Hex values for all the color
 * swatches in a document. CMYK to RGB conversion using Adobe’s default US
 * Web Coated SWOP2 to sRGB.
 * 
 * 
 * LICENSE
 * -------
 * Copyright 2017 Jms Dnns
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 
 * 2. Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * 3. Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

try {
    
        //
        // Function Library
        //
    
        /**
         * decimalToHex takes a number and returns it converted base 16, aka hex
         * @param {number} decimal number to convert to hex
         * @returns {String} a hex string
         */
        function decimalToHex(decimal) {
            var hex = decimal.toString(16);
            return hex;
        };
    
        /**
         * hexToDecimal takes a base 16 number and returns it converted to decimal
         * @param {String} hex a hex string
         * @returns {number} hex as decimal
         */
        function hexToDecimal(hex) {
            var decimal = parseInt(hex, 16);
            return decimal;
        };
    
        /**
         * padPrefix takes a string `s`, a desired width `width`, and a padding
         * character `padChar`, and returns a string. If the length of `s` is
         * less than `width`, `padChar` will be used to fill in the space.
         * @param {String} s string to be padded
         * @param {number} width desired width for the string
         * @param {String} padChar character to pad string
         * @returns {String} the padded string
         */
        function padPrefix(s, width, padChar) {
            var paddedS = s;
    
            if(s.length < width) {
                var padding = new Array(width - paddedS.length + 1).join(padChar);
                var paddedS = padding + s;
            }
    
            return paddedS;
        };
    
        /**
         * RGBToHex takes numeric values for red, green, and blue, and returns
         * a hex string.
         * @param {number} r red
         * @param {number} g green
         * @param {number} b blue
         * @returns {String} a hex string
         */
        function RGBToHex(r, g, b) {
            if (r < 0 || r > 255) alert("Red value should be between 0-255: " + r);
            if (g < 0 || g > 255) alert("Green value should be between 0-255: " + g);
            if (b < 0 || b > 255) alert("Blue value should be between 0-255: " + b);
            
            // Convert to hex
            r_hex = decimalToHex(r);
            g_hex = decimalToHex(g);
            b_hex = decimalToHex(b);
    
            // Pad any values that are a single character
            r_hex = padPrefix(r_hex, 2, "0");
            g_hex = padPrefix(g_hex, 2, "0");
            b_hex = padPrefix(b_hex, 2, "0");
    
            // Create hex string
            hex = "#" + r_hex + g_hex + b_hex;
    
            return hex;
        };
    
        /**
         * hexToRGB takes a hex string and returns a structure with r, g, and b
         * fields.
         * @param {String} hex hex string representing an html color value
         * @returns {Object} Object with values for r, g, and b
         */
        function hexToRGB(hex) {
            // Remove leading "#" from "#000" or "#000000"
            if ((hex.length == 4 || hex.length == 7) && hex[0] == "#") {
                hex = hex.slice(1);
            }
    
            // Convert "RGB" to "RRGGBB"
            if (hex.length == 3) {
                var new_hex = "";
                for(var i=0; i < hex.length; i++) {
                    new_hex += hex [i] + hex[i];
                }
                hex = new_hex;
            }
    
            // Extract color values
            var r = hex.slice(0,2);
            var g = hex.slice(2,4);
            var b = hex.slice(4,6);
    
            // Convert to decimal
            var r_decimal = hexToDecimal(r);
            var g_decimal = hexToDecimal(g);
            var b_decimal = hexToDecimal(b);
    
            return { r: r_decimal, g: g_decimal, b: b_decimal };
        };

        /**
         * convertColor Translates color values from one format, like CMYK, to
         * another, like RGB. If the destFormat is RGB, the return value is an
         * array with 3 items: R, G, and B.
         * @param {String} srcFormat Color format of the source data
         * @param {String} destFormat Color format we are converting to
         * @param {Object} colorArray Source data
         * @returns {Object} An array of colors
         */
        function convertColor(srcFormat, destFormat, colorArray) {
            var srcColorSpace = ImageColorSpace[srcFormat];
            var destColorSpace = ImageColorSpace[destFormat];

            return app.convertSampleColor(srcColorSpace, colorArray, destColorSpace, ColorConvertPurpose.defaultpurpose);          
        }
    

        /**
         * RGBtoCMYK converts r, g, and b values into CMYK and returns an
         * object with c, m, y, and k fields.
         * @param {number} r red
         * @param {number} g green
         * @param {number} b blue
         * @returns {Object} Object with c, m, y, and k fields
         */
        function RGBToCMYK(r, g, b) {
            var colors = [Math.round(r), Math.round(g), Math.round(b)];
            var cmyk = convertColor("RGB", "CMYK", colors);

            return { c: cmyk[0], m: cmyk[1], y: cmyk[2], k: cmyk[3] }
        }
    
        /**
         * CMYKtoRGB converts c, m, y, and k values into RGB and returns a
         * structure with r, g, and b fields.
         * @param {number} c cyan
         * @param {number} m magenta
         * @param {number} y yellow
         * @param {number} k black
         * @returns {Object} Object with r, g, and b fields
         */
        function CMYKToRGB(c, m, y, k) {
            var colors = [Math.round(c), Math.round(m), Math.round(y), Math.round(k)]
            var rgb = convertColor("CMYK", "RGB", colors);

            return { r: rgb[0], g: rgb[1], b: rgb[2] };
        }
    
        /**
         * fromRGB is a conversion function to go from RGB to every format
         * @param {number} r red
         * @param {number} g green
         * @param {number} b blue
         * @returns {Object} Object with values for rgb, hex, and cmyk
         */
        function fromRGB(r, g, b) {
            var hex = RGBToHex(r, g, b);
            var cmyk = RGBToCMYK(r, g, b);
    
            var c = Math.round(cmyk.c);
            var m = Math.round(cmyk.m);
            var y = Math.round(cmyk.y);
            var k = Math.round(cmyk.k);
            
            return {
                r: r, g: g, b: b,
                hex: hex,
                c: c, m: m, y: y, k: k,
            };
        };
    
        /**
         * fromHex is a conversion function to go from Hex to every format
         * @param {String} hex hex string representing an html color value
         * @returns {Object} Object with values for rgb, hex, and cmyk
         */
        function fromHex(hex) {
            var rgb = HexToRGB(hex);
            
            var r = Math.round(rgb.r);
            var g = Math.round(rgb.g);
            var b = Math.round(rgb.b);
    
            var cmyk = RGBToCMYK(r, g, b);
    
            var c = Math.round(cmyk.c);
            var m = Math.round(cmyk.m);
            var y = Math.round(cmyk.y);
            var k = Math.round(cmyk.k);
    
            return {
                r: r, g: g, b: b,
                hex: hex,
                c: c, m: m, y: y, k: k,
            };
        };
    
        /**
         * fromCMYK is a conversion function to go from CMYK to every format
         * @param {number} c cyan
         * @param {number} m magenta
         * @param {number} y yellow
         * @param {number} k black
         * @returns {Object} Object with values for rgb, hex, and cmyk
         */
        function fromCMYK(c, m, y, k) {
            var rgb = CMYKToRGB(c, m, y, k);
    
            var r = Math.round(rgb.r);
            var g = Math.round(rgb.g);
            var b = Math.round(rgb.b);
    
            var hex = RGBToHex(r, g, b);
    
            return {
                r: r, g: g, b: b,
                hex: hex,
                c: c, m: m, y: y, k: k,
            };
        };
    
    
        //
        // App Logic
        //
    
        if (app.documents.length > 0) {
    
            var destFolder = null;
            destFolder = Folder.selectDialog('Select destination folder for CSV', '~');
    
            if (destFolder != null) {
                var doc = activeDocument;
                var swatches = doc.swatches;
                var colors = new Array();
    
                // Document is CMYK
                if (doc.documentColorSpace == DocumentColorSpace.CMYK) {
                    for (var i=0; i < swatches.length; i++) {
                        if (swatches[i].color == "[CMYKColor]") {
                            var c = Math.round(swatches[i].color.cyan);
                            var m = Math.round(swatches[i].color.magenta);
                            var y = Math.round(swatches[i].color.yellow);
                            var k = Math.round(swatches[i].color.black);
    
                            var color = fromCMYK(c, m, y, k);
    
                            var na = swatches[i].name;
                            color.name = na;
    
                            colors.push(color);
                        } else {
                            // Ignore anything that is not CMYK
                        }
                    }
                }
                // Document is RGB
                else if (doc.documentColorSpace == DocumentColorSpace.RGB) {
                    for (var i = 0; i < col.length; i++) {
                        if (col[i].color == "[RGBColor]") {
                            var r = Math.round(col[i].color.red);
                            var g = Math.round(col[i].color.green);
                            var b = Math.round(col[i].color.blue);
                            var color = fromRGB(r, g, b);
    
                            var na = col[i].name;
                            color.name = na;                        
    
                            colors.push(color);
                        } else {
                            // Ignore anything that is not RGB
                        }
                    }
                }
    
                // Open output file
                var listName = doc.name + ".csv";
                var listFile = destFolder + "/" + listName;
                var theFile = new File(listFile);
                var isOpen = theFile.open("w");
    
                if (isOpen) {
                    theFile.seek(0, 0);
    
                    // Write headers
                    theFile.writeln("I.D.,name,C,M,Y,K,hex,R,G,B");
                    
                    // Print every item in colors.
                    for (var i = 0; i < colors.length; i++) {
                        var color = colors[i];
                        // color.name is handled specifically below to add quotation marks
                        var color_items = [
                            color.c,
                            color.m,
                            color.y,
                            color.k,
                            color.hex,
                            color.r,
                            color.g,
                            color.b
                        ];
                        var line = i + "," + "\"" + color.name + "\"," + color_items.join(',');
                        theFile.writeln(line);
                    }
    
                    theFile.close();
                }
                
                alert('Export Complete');
            }
            else {
                alert('Export Aborted');
            }
        }
        else {
            throw new Error('There are no documents open!');
        }
    }
    catch (e) {
        alert(e.message, "Script Alert", true);
    }