private void button5_Click(object sender, EventArgs e) { Bitmap srcm; pictureBox1.Image = ToolFunctions.GetThumbnail((Bitmap)bitmap.Clone(), pictureBox1.Height, pictureBox1.Width) as Image; ProcessFunctions.Hsl_Change("s", -5, bitmap, out srcm); pictureBox2.Image = ToolFunctions.GetThumbnail((Bitmap)srcm.Clone(), pictureBox1.Height, pictureBox1.Width) as Image; Color c = Color.FromArgb(15, 40, 200); Color c2 = ProcessFunctions.Hsl_Pixel_Change(c, "h", 24); //Console.WriteLine(hue + "," + sa + "," + l); Console.WriteLine(c.R + "," + c.G + "," + c.B + " ; " + c2.R + "," + c2.G + "," + c2.B); //pictureBox3.BackColor = Color.FromArgb(258, 2, -1); }