random-color-scheme-gradient.jsx

// by Douglas Bonneville | bonfx.com
// http://bonfx.com/gorgeous-random-color-scheme-gradient-generator-for-photoshop

// preferences
app.preferences.rulerUnits = Units.PIXELS

// constants
var lenWidth = 500
var quad = lenWidth/2;

function randFactor() {
    x = Math.random()*255;
    return x;
}

tetrad1 = new RGBColor();
tetrad1.red = randFactor();
tetrad1.green = randFactor();
tetrad1.blue = randFactor();

tetrad2 = new RGBColor();
tetrad2.red = randFactor();
tetrad2.green = randFactor();
tetrad2.blue = randFactor();

tetrad3 = new RGBColor();
tetrad3.red = randFactor();
tetrad3.green = randFactor();
tetrad3.blue = randFactor();

tetrad4 = new RGBColor();
tetrad4.red = randFactor();
tetrad4.green = randFactor();
tetrad4.blue = randFactor();

// create new doc
app.documents.add (lenWidth, lenWidth, 72);

// make 4 squares
app.activeDocument.selection.select([[0,0],[0,quad],[quad,quad],[quad,0]]);
app.activeDocument.selection.fill( tetrad1);
app.activeDocument.selection.translateBoundary(quad, 0);
app.activeDocument.selection.fill( tetrad2);
app.activeDocument.selection.translateBoundary(0, quad);
app.activeDocument.selection.fill( tetrad3);
app.activeDocument.selection.translateBoundary(-quad, 0);
app.activeDocument.selection.fill( tetrad4); 

app.activeDocument.selection.deselect();

// blur
app.activeDocument.activeLayer.applyGaussianBlur(120);