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Deb5748823

: Gimp: Change a signature color from black to blue, preserving the tones I have a scanned signature written in black pen. I have removed the white paper parts of the image using alpha transparency.

@Deb5748823

Posted in: #Alpha #ColorConversion #Gimp

I have a scanned signature written in black pen. I have removed the white paper parts of the image using alpha transparency.

After using it several times, it seems that it would look better if the color of the signature is blue rather than black.

How can I change the color of the signature from black to blue, while preserving the different color tones and shades (i.e. Black becomes dark blue, light gray becomes light blue)?

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@Sent7350415

Set the foreground color to dark blue (the color that will replace black), the background color to white.
Set the image to RGB mode if not already such: Image>Mode>RGB
Set the current gradient to FG to BG (RGB) (fourth from top in Gradients list)
Colors>Map>Gradient map

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