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RGB to CMYK color

Here given code implementation process.

// C program 
// RGB to CMYK color
#include <stdio.h>
#include <math.h>

// Returns the maximum value of given two numbers
double max_value(double a, double b)
{
	if (a > b)
	{
		return a;
	}
	else
	{
		return b;
	}
}
// Convert RGB to CMYK
void rgb_to_cmyk(int r, int g, int b)
{
	if (r < 0 || g < 0 || b < 0)
	{
		return;
	}
	printf("\n Given RGB");
	printf("\n R = %d ", r);
	printf("\n G = %d ", g);
	printf("\n B = %d ", b);
	// Calculate R' G' B'
	double r1 = r / 255.0;
	double g1 = g / 255.0;
	double b1 = b / 255.0;
	// Black key 
	double black = (1 - max_value(max_value(r1, g1), b1));
	int c = 0;
	int m = 0;
	int y = 0;
	int k = 0;
	if (black != 1)
	{
		// Cyan color 
		c = round(100 *(1 - r1 - black) / (1 - black));
		// Magenta color 
		m = round(100 *(1 - g1 - black) / (1 - black));
		// Yellow color
		y = round(100 *(1 - b1 - black) / (1 - black));
	}
	// Black color
	k = round(black *100);
	// Display Calculate results
	printf("\n Calculate CMYK");
	printf("\n C = %d ", c);
	printf("\n M = %d ", m);
	printf("\n Y = %d ", y);
	printf("\n K = %d \n", k);
}
int main()
{
	// Test Case
	rgb_to_cmyk(181, 122, 230);
	rgb_to_cmyk(78, 37, 78);
	return 0;
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
/*
  Java Program
  RGB to CMYK color
*/
public class ColorConversion
{
    // Returns the maximum value of given two numbers
    public double max_value(double a, double b)
    {
        if (a > b)
        {
            return a;
        }
        else
        {
            return b;
        }
    }
    // Convert RGB to CMYK
    public void rgb_to_cmyk(int r, int g, int b)
    {
        if (r < 0 || g < 0 || b < 0)
        {
            return;
        }
        System.out.print("\n Given RGB");
        System.out.print("\n R = " + r );
        System.out.print("\n G = " + g );
        System.out.print("\n B = " + b );
        // Calculate R' G' B'
        double r1 = r / 255.0;
        double g1 = g / 255.0;
        double b1 = b / 255.0;
        // Black key 
        double black = (1 - max_value(max_value(r1, g1), b1));
        long c = 0;
        long m = 0;
        long y = 0;
        long k = 0;
        if (black != 1)
        {
            // Cyan color 
            c = Math.round(100 * ((1 - r1 - black) / (1 - black)));
            // Magenta color 
            m = Math.round(100 * ((1 - g1 - black) / (1 - black)));
            // Yellow color
            y = Math.round(100 * ((1 - b1 - black) / (1 - black)));
        }
        // Black color
        k = Math.round(black * 100);
        // Display Calculate results
        System.out.print("\n Calculate CMYK");
        System.out.print("\n C = " + c );
        System.out.print("\n M = " + m );
        System.out.print("\n Y = " + y );
        System.out.print("\n K = " + k + " \n");
    }
    public static void main(String[] args)
    {
        ColorConversion color = new ColorConversion();
        // Test Case
        color.rgb_to_cmyk(181, 122, 230);
        color.rgb_to_cmyk(78, 37, 78);
    }
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
// Include header file
#include <iostream>
#include <math.h>
using namespace std;

/*
  C++ Program
  RGB to CMYK color
*/

class ColorConversion
{
	public:
		// Returns the maximum value of given two numbers
		double max_value(double a, double b)
		{
			if (a > b)
			{
				return a;
			}
			else
			{
				return b;
			}
		}
	// Convert RGB to CMYK
	void rgb_to_cmyk(int r, int g, int b)
	{
		if (r < 0 || g < 0 || b < 0)
		{
			return;
		}
		cout << "\n Given RGB";
		cout << "\n R = " << r;
		cout << "\n G = " << g;
		cout << "\n B = " << b;
		// Calculate R' G' B'
		double r1 = r / 255.0;
		double g1 = g / 255.0;
		double b1 = b / 255.0;
		// Black key
		double black = (1 - this->max_value(this->max_value(r1, g1), b1));
		long c = 0;
		long m = 0;
		long y = 0;
		long k = 0;
		if (black != 1)
		{
			// Cyan color
			c = round(100 *((1 - r1 - black) / (1 - black)));
			// Magenta color
			m = round(100 *((1 - g1 - black) / (1 - black)));
			// Yellow color
			y = round(100 *((1 - b1 - black) / (1 - black)));
		}
		// Black color
		k = round(black *100);
		// Display Calculate results
		cout << "\n Calculate CMYK";
		cout << "\n C = " << c;
		cout << "\n M = " << m;
		cout << "\n Y = " << y;
		cout << "\n K = " << k << " \n";
	}
};
int main()
{
	ColorConversion color = ColorConversion();
	// Test Case
	color.rgb_to_cmyk(181, 122, 230);
	color.rgb_to_cmyk(78, 37, 78);
	return 0;
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
// Include namespace system
using System;
/*
  C# Program
  RGB to CMYK color
*/
public class ColorConversion
{
	// Returns the maximum value of given two numbers
	public double max_value(double a, double b)
	{
		if (a > b)
		{
			return a;
		}
		else
		{
			return b;
		}
	}
	// Convert RGB to CMYK
	public void rgb_to_cmyk(int r, int g, int b)
	{
		if (r < 0 || g < 0 || b < 0)
		{
			return;
		}
		Console.Write("\n Given RGB");
		Console.Write("\n R = " + r);
		Console.Write("\n G = " + g);
		Console.Write("\n B = " + b);
		// Calculate R' G' B'
		double r1 = r / 255.0;
		double g1 = g / 255.0;
		double b1 = b / 255.0;
		// Black key
		double black = (1 - max_value(max_value(r1, g1), b1));
		int c = 0;
		int m = 0;
		int y = 0;
		int k = 0;
		if (black != 1)
		{
			// Cyan color
			c = (int) Math.Round(100 * ((1 - r1 - black) / (1 - black)));
			// Magenta color
			m = (int) Math.Round(100 * ((1 - g1 - black) / (1 - black)));
			// Yellow color
			y = (int) Math.Round(100 * ((1 - b1 - black) / (1 - black)));
		}
		// Black color
		k = (int) Math.Round(black * 100);
		// Display Calculate results
		Console.Write("\n Calculate CMYK");
		Console.Write("\n C = " + c);
		Console.Write("\n M = " + m);
		Console.Write("\n Y = " + y);
		Console.Write("\n K = " + k + " \n");
	}
	public static void Main(String[] args)
	{
		ColorConversion color = new ColorConversion();
		// Test Case
		color.rgb_to_cmyk(181, 122, 230);
		color.rgb_to_cmyk(78, 37, 78);
	}
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
<?php
/*
  Php Program
  RGB to CMYK color
*/
class ColorConversion
{
    // Returns the maximum value of given two numbers
    public
    function max_value($a, $b)
    {
        if ($a > $b)
        {
            return $a;
        }
        else
        {
            return $b;
        }
    }
    // Convert RGB to CMYK
    public
    function rgb_to_cmyk($r, $g, $b)
    {
        if ($r < 0 || $g < 0 || $b < 0)
        {
            return;
        }
        echo "\n Given RGB";
        echo "\n R = ".$r;
        echo "\n G = ".$g;
        echo "\n B = ".$b;
        // Calculate R' G' B'
        $r1 = ($r / 255.0);
        $g1 = ($g / 255.0);
        $b1 = ($b / 255.0);
        // Black key
        $black = (1 - $this->max_value($this->max_value($r1, $g1), $b1));
        $c = 0;
        $m = 0;
        $y = 0;
        $k = 0;
        if ($black != 1)
        {
            // Cyan color
            $c = round(100 * (1 - $r1 - $black) / (1 - $black));
            // Magenta color
            $m = round(100 * (1 - $g1 - $black) / (1 - $black));
            // Yellow color
            $y = round(100 * (1 - $b1 - $black) / (1 - $black));
        }
        // Black color
        $k = round($black * 100);
        // Display Calculate results
        echo "\n Calculate CMYK";
        echo "\n C = ".$c;
        echo "\n M = ".$m;
        echo "\n Y = ".$y;
        echo "\n K = ".$k.
        " \n";
    }
}

function main()
{
    $color = new ColorConversion();
    // Test Case
    $color->rgb_to_cmyk(181, 122, 230);
    $color->rgb_to_cmyk(78, 37, 78);
}
main();

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
/*
  Node Js Program
  RGB to CMYK color
*/
class ColorConversion
{
	// Returns the maximum value of given two numbers
	max_value(a, b)
	{
		if (a > b)
		{
			return a;
		}
		else
		{
			return b;
		}
	}
	// Convert RGB to CMYK
	rgb_to_cmyk(r, g, b)
	{
		if (r < 0 || g < 0 || b < 0)
		{
			return;
		}
		process.stdout.write("\n Given RGB");
		process.stdout.write("\n R = " + r);
		process.stdout.write("\n G = " + g);
		process.stdout.write("\n B = " + b);
		// Calculate R' G' B'
		var r1 = (r / 255.0);
		var g1 = (g / 255.0);
		var b1 = (b / 255.0);
		// Black key
		var black = (1 - this.max_value(this.max_value(r1, g1), b1));
		var c = 0;
		var m = 0;
		var y = 0;
		var k = 0;
		if (black != 1)
		{
			// Cyan color
			c = Math.round(100 * (1 - r1 - black) / (1 - black));
			// Magenta color
			m = Math.round(100 * (1 - g1 - black) / (1 - black));
			// Yellow color
			y = Math.round(100 * (1 - b1 - black) / (1 - black));
		}
		// Black color
		k = Math.round(black * 100);
		// Display Calculate results
		process.stdout.write("\n Calculate CMYK");
		process.stdout.write("\n C = " + c);
		process.stdout.write("\n M = " + m);
		process.stdout.write("\n Y = " + y);
		process.stdout.write("\n K = " + k + " \n");
	}
}

function main()
{
	var color = new ColorConversion();
	// Test Case
	color.rgb_to_cmyk(181, 122, 230);
	color.rgb_to_cmyk(78, 37, 78);
}
main();

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
#   Python 3 Program
#   RGB to CMYK color

class ColorConversion :
	#  Returns the maximum value of given two numbers
	def max_value(self, a, b) :
		if (a > b) :
			return a
		else :
			return b
		
	
	#  Convert RGB to CMYK
	def rgb_to_cmyk(self, r, g, b) :
		if (r < 0 or g < 0 or b < 0) :
			return
		
		print("\n Given RGB", end = "")
		print("\n R =", r, end = "")
		print("\n G =", g, end = "")
		print("\n B =", b, end = "")
		#  Calculate R' G' B'
		r1 = (r / 255.0)
		g1 = (g / 255.0)
		b1 = (b / 255.0)
		#  Black key 
		black = (1 - self.max_value(self.max_value(r1, g1), b1))
		c = 0
		m = 0
		y = 0
		k = 0
		if (black != 1) :
			#  Cyan color 
			c = round(100 * (((1 - r1 - black) / (1 - black))))
			#  Magenta color 
			m = round(100 * (((1 - g1 - black) / (1 - black))))
			#  Yellow color
			y = round(100 * (((1 - b1 - black) / (1 - black))))
		
		#  Black color
		k = round(black * 100)
		#  Display Calculate results
		print("\n Calculate CMYK", end = "")
		print("\n C =", c, end = "")
		print("\n M =", m, end = "")
		print("\n Y =", y, end = "")
		print("\n K =", k ," ")
	

def main() :
	color = ColorConversion()
	#  Test Case
	color.rgb_to_cmyk(181, 122, 230)
	color.rgb_to_cmyk(78, 37, 78)

if __name__ == "__main__": main()

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
#   Ruby Program
#   RGB to CMYK color

class ColorConversion 
	#  Returns the maximum value of given two numbers
	def max_value(a, b) 
		if (a > b) 
			return a
		else 
			return b
		end

	end

	#  Convert RGB to CMYK
	def rgb_to_cmyk(r, g, b) 
		if (r < 0 || g < 0 || b < 0) 
			return
		end

		print("\n Given RGB")
		print("\n R = ", r)
		print("\n G = ", g)
		print("\n B = ", b)
		#  Calculate R' G' B'
		r1 = r / 255.0
		g1 = g / 255.0
		b1 = b / 255.0
		#  Black key 
		black = (1 - self.max_value(self.max_value(r1, g1), b1))
		c = 0
		m = 0
		y = 0
		k = 0
		if (black != 1) 
			#  Cyan color 
			c = (100 * ((1 - r1 - black) / (1 - black))).round
			#  Magenta color 
			m = (100 * ((1 - g1 - black) / (1 - black))).round
			#  Yellow color
			y = (100 * ((1 - b1 - black) / (1 - black))).round
		end

		#  Black color
		k = (black * 100).round
		#  Display Calculate results
		print("\n Calculate CMYK")
		print("\n C = ", c)
		print("\n M = ", m)
		print("\n Y = ", y)
		print("\n K = ", k ," \n")
	end

end

def main() 
	color = ColorConversion.new()
	#  Test Case
	color.rgb_to_cmyk(181, 122, 230)
	color.rgb_to_cmyk(78, 37, 78)
end

main()

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10 

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69 

/*
  Scala Program
  RGB to CMYK color
*/
class ColorConversion
{
	// Returns the maximum value of given two numbers
	def max_value(a: Double, b: Double): Double = {
		if (a > b)
		{
			return a;
		}
		else
		{
			return b;
		}
	}
	// Convert RGB to CMYK
	def rgb_to_cmyk(r: Int, g: Int, b: Int): Unit = {
		if (r < 0 || g < 0 || b < 0)
		{
			return;
		}
		print("\n Given RGB");
		print("\n R = " + r);
		print("\n G = " + g);
		print("\n B = " + b);
		// Calculate R' G' B'
		var r1: Double = (r / 255.0);
		var g1: Double = (g / 255.0);
		var b1: Double = (b / 255.0);
		// Black key
		var black: Double = (1 - this.max_value(this.max_value(r1, g1), b1));
		var c: Long = 0;
		var m: Long = 0;
		var y: Long = 0;
		var k: Long = 0;
		if (black != 1)
		{
			// Cyan color
			c = Math.round(100 * (((1 - r1 - black) / (1 - black))));
			// Magenta color
			m = Math.round(100 * (((1 - g1 - black) / (1 - black))));
			// Yellow color
			y = Math.round(100 * (((1 - b1 - black) / (1 - black))));
		}
		// Black color
		k = Math.round(black * 100);
		// Display Calculate results
		print("\n Calculate CMYK");
		print("\n C = " + c);
		print("\n M = " + m);
		print("\n Y = " + y);
		print("\n K = " + k + " \n");
	}
}
object Main
{
	def main(args: Array[String]): Unit = {
		var color: ColorConversion = new ColorConversion();
		// Test Case
		color.rgb_to_cmyk(181, 122, 230);
		color.rgb_to_cmyk(78, 37, 78);
	}
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
import Foundation
/*
  Swift 4 Program
  RGB to CMYK color
*/
class ColorConversion
{
	// Returns the maximum value of given two numbers
	func max_value(_ a: Double, _ b: Double)->Double
	{
		if (a > b)
		{
			return a;
		}
		else
		{
			return b;
		}
	}
	// Convert RGB to CMYK
	func rgb_to_cmyk(_ r: Int, _ g: Int, _ b: Int)
	{
		if (r < 0 || g < 0 || b < 0)
		{
			return;
		}
		print("\n Given RGB", terminator: "");
		print("\n R = ", r, terminator: "");
		print("\n G = ", g, terminator: "");
		print("\n B = ", b, terminator: "");
		// Calculate R" G" B"
		let r1: Double = Double(r) / 255.0;
		let g1: Double = Double(g) / 255.0;
		let b1: Double = Double(b) / 255.0;
		// Black key
		let black: Double = (1 - self.max_value(self.max_value(r1, g1), b1));
		var c: Int = 0;
		var m: Int = 0;
		var y: Int = 0;
		var k: Int = 0;
		if (black != 1)
		{
			// Cyan color
			c = Int(round(100 * ((1 - r1 - black) / (1 - black))));
			// Magenta color
			m = Int(round(100 * ((1 - g1 - black) / (1 - black))));
			// Yellow color
			y = Int(round(100 * ((1 - b1 - black) / (1 - black))));
		}
		// Black color
		k = Int(round(black * 100));
		// Display Calculate results
		print("\n Calculate CMYK", terminator: "");
		print("\n C = ", c, terminator: "");
		print("\n M = ", m, terminator: "");
		print("\n Y = ", y, terminator: "");
		print("\n K = ", k ," ");
	}
}
func main()
{
	let color: ColorConversion = ColorConversion();
	// Test Case
	color.rgb_to_cmyk(181, 122, 230);
	color.rgb_to_cmyk(78, 37, 78);
}
main();

Output

 Given RGB
 R =  181
 G =  122
 B =  230
 Calculate CMYK
 C =  21
 M =  47
 Y =  0
 K =  10

 Given RGB
 R =  78
 G =  37
 B =  78
 Calculate CMYK
 C =  0
 M =  53
 Y =  0
 K =  69
/*
  Kotlin Program
  RGB to CMYK color
*/
class ColorConversion
{
	// Returns the maximum value of given two numbers
	fun max_value(a: Double, b: Double): Double
	{
		if (a>b)
		{
			return a;
		}
		else
		{
			return b;
		}
	}
	// Convert RGB to CMYK
	fun rgb_to_cmyk(r: Int, g: Int, b: Int): Unit
	{
		if (r<0 || g<0 || b<0)
		{
			return;
		}
		print("\n Given RGB");
		print("\n R = " + r);
		print("\n G = " + g);
		print("\n B = " + b);
		// Calculate R' G' B'
		var r1: Double = r / 255.0;
		var g1: Double = g / 255.0;
		var b1: Double = b / 255.0;
		// Black key
		var black: Double = (1 - this.max_value(this.max_value(r1, g1), b1));
		var c: Long = 0;
		var m: Long = 0;
		var y: Long = 0;
		var k: Long ;
		if (black != 1.0)
		{
			// Cyan color
			c = Math.round(100 * ((1 - r1 - black) / (1 - black)));
			// Magenta color
			m = Math.round(100 * ((1 - g1 - black) / (1 - black)));
			// Yellow color
			y = Math.round(100 * ((1 - b1 - black) / (1 - black)));
		}
		// Black color
		k = Math.round(black * 100);
		// Display Calculate results
		print("\n Calculate CMYK");
		print("\n C = " + c);
		print("\n M = " + m);
		print("\n Y = " + y);
		print("\n K = " + k + " \n");
	}
}
fun main(args: Array<String>): Unit
{
	var color: ColorConversion = ColorConversion();
	// Test Case
	color.rgb_to_cmyk(181, 122, 230);
	color.rgb_to_cmyk(78, 37, 78);
}

Output

 Given RGB
 R = 181
 G = 122
 B = 230
 Calculate CMYK
 C = 21
 M = 47
 Y = 0
 K = 10

 Given RGB
 R = 78
 G = 37
 B = 78
 Calculate CMYK
 C = 0
 M = 53
 Y = 0
 K = 69
Last updated on by Kalkicode




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