color_scale.c

/*WAP to convert the color scale value from RGB to CMYK*/

#include <stdio.h>
void main()
{
	int R, G, B;
	float r, g, b;
	float W, C, M, Y, K;
	printf("\n Enter the Digital Scale value of Colors RGB(0-255):\n");
	scanf("%d%d%d", &R, &G, &B); //Enter the values of R G and B

	r = (R / 255.0);
	g = (G / 255.0); 
	b = (B / 255.0);								 //to simplify
	W = (r > g) ? (r > b ? r : b) : (g > b ? g : b); //W=MAX(r,g,b)

	C = (W - r) / W; //Cyan
	M = (W - g) / W; //Magenta
	Y = (W - b) / W; //yellow
	K = 1 - W;		 //Black

	if (R == 0 && G == 0 && B == 0)
	{
		C = 0;
		M = 0;
		Y = 0;
	}

	printf("\n The Real Scale Value of Colors are Cyan=%.3f Magenta=%.3f Yellow=%.3f Black=%.3f", C, M, Y, K);

	return 0;
}