How do I find the correct settings (RGB) to set a color to sprite?

Thanks man, but my question is not to change all time manually the colors, you know.

I need a solution with events or an effect, maybe to use a slider for rgb for both background and sprite. For example:

1 Slider for R

1 Slider for G

1 Slider for B

So, when i change the sliders to give the same results for the background and for a sprite which use set color.

Can work this?

It's a simple formula: percentage=100 * ColorChannel/255

For example if your color in RGB is (0,204, 255), to convert these numbers for "Set color" effect you divide each by 255 and multiply by 100, result: (0, 80, 100)

.

To convert back: ColorChannel=percentage*2.55

By the way, I made just a test, I edit "setcolor.fx" this line:

gl_FragColor = vec4(red * a, green * a, blue * a, a)

to this:

gl_FragColor = vec4((100*(red * a)/255), (100*(green * a)/255), (100*(blue * a)/255), a);

.. It works when you open construct.. but when i run it to a browser i get bug warning.

Where is the problem you think, what need to fix?

Thanks again for your help!