Alter colour of all text layers at once CS6

I have to copy paste the hex value or write down the RGB and type these into the colour box at the top menu, then it works.

By @Merlin3

I'm not sure if the following code works with CS6. It will copy the foreground colour as a hex code to the clipboard, which you can then paste into the text colour swatch for the selected text layers:

/* Based on - https://gist.github.com/Arahnoid/9923989 */
var fR = Math.floor(app.foregroundColor.rgb.red);
var fG = Math.floor(app.foregroundColor.rgb.green);
var fB = Math.floor(app.foregroundColor.rgb.blue);
rgbToHex(fR, fG, fB);
function rgbToHex(r, g, b) {
    var theHex = "#" + ((1 << 24) + (r << 16) + (g <<  + b).toString(16).slice(1);
    //var theHex = ((1 << 24) + (r << 16) + (g <<  + b).toString(16).slice(1);
    // theHex = theHex.toUpperCase();
    
    var d = new ActionDescriptor();
    d.putString(stringIDToTypeID("textData"), theHex);
    executeAction(stringIDToTypeID("textToClipboard"), d, DialogModes.NO);
}

It depends on how many text layers you have, so you can select your first text layer then Ctrl click on every other text layer till they are all selected. (Ctrl click to the right of the layer name to select a layer)

or

Click on Kind in the layer filter, click on the T, then go to Select>Select all Layers.

Then click on the Horizontal Type Tool in the tools panel and click on the color swatch in the tool options bar to change the color of all the text layers.