Online RGB to CMYK color conversion

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RGB to CMYK color conversion

Enter red, green and blue color levels (0..255) and press the Convert button:

Red color (R):
Green color (G):
Blue color (B):
 
Cyan color (C): %
Magenta color (M): %
Yellow color (Y): %
Black key color (K): %
Hex:
Color preview:

CMYK to RGB conversion ►

RGB to CMYK transformation method

The R,G,B values are isolated with the aid of 255 to alternate the attain from zero..255 to zero..1:

R' = R/255

G' = G/255

B' = B/255

The dark key (K) variety is determined from the purple (R'), green (G') and blue (B') hues:

K = 1-max(R', G', B')

The cyan tone (C) is decided from the crimson (R') and dark (K) colours:

C = (1-R'- K)/(1-K)

The pink tone (M) is determined from the green (G') and darkish (K) colours:

M = (1-G'- K)/(1-K)

The yellow tone (Y) is determined from the blue (B') and darkish (K) colorings:

Y = (1-B'- K)/(1-K)

RGB to CMYK desk

Color Color

name

(R,G,B) Hex (C,M,Y,K)
  Black (0,0,0) #000000 (0,0,0,1)
  White (255,255,255) #FFFFFF (0,0,0,0)
  Red (255,0,0) #FF0000 (0,1,1,0)
  Green (0,255,0) #00FF00 (1,0,1,0)
  Blue (0,0,255) #0000FF (1,1,0,0)
  Yellow (255,255,0) #FFFF00 (0,0,1,0)
  Cyan (0,255,255) #00FFFF (1,0,0,0)
  Magenta (255,0,255) #FF00FF (0,1,0,0)

 

CMYK to RGB conversion ►



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