i have sprite with that colors
and i would like to set it like that colors
maybe i can do it with blend mode or effect but wich one ?
You would be better off using a program like Photoshop or Paint.NET to turn it into a greyscale.
Paint.NET you can just open the image and choose "Adjustments" > "Black and White", and it will convert the image to greyscale.
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i dont want to use more sprite sheet ... since my png are sometimes big and in order to keep memory safe
i think it's better to use effect
You can either use the grayscale effect that comes with C2 -- which will result in darker colors than your example -- or you can use the new "Max Grayscale" effect I created, which sets all color channels to the value of the highest channel, giving a result more or less identical to your example. Just extract the zip into your C2 effects folder.
Download Max Grayscale
thanks a lot
greyscale effect do the trick