RE: Two laptops, two color picker results for same spot
RE: Two laptops, two color picker results for same spot
- Subject: RE: Two laptops, two color picker results for same spot
- From: Roger Breton <email@hidden>
- Date: Wed, 18 Apr 2018 16:30:55 -0400
PANTONE libraries are distributed in CIE Lab form.
Unless the same ICC profiles with the same RI are used on both platforms, there
are bound to be differences in RGB / HSB.
/ Roger
-----Original Message-----
From: colorsync-users
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Sent: Wednesday, April 18, 2018 3:53 PM
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Cc: Glynn Hartley <email@hidden>
Subject: Two laptops, two color picker results for same spot
I amhaving an experience that I'd like to figure out. I am getting two
differentcolor picker readouts for HSB and RGB for the same Pantone spot color
on Mac and PC laptops. The Lab and CMYK numbers do match.
Pleasenote that all the color management preferences (color settings) are the
same on both laptops.
Laptop 1:Windows 10 PC Photoshop CC v19.1.0 RGB
Default is Adobe RGB
Laptop 2:MacBook Pro Mac OS 10.13.2 Photoshop CC v2017.1.0 RGB Default is
Adobe RGB
Laptop 1,color picker, (example) Pantone Purple
RGB= 165,45, 181 CMYK= 35C, 88M, 0Y, 0Y HSB:293/75/71 Lab: 47/69/-42
Laptop 2,color picker, (example) Pantone Purple
RGB= 144,65, 160 CMYK= 35C, 88M, 0Y, 0Y HSB:290/59/63 Lab: 47/69/-42
Laptop 1,color picker, (example) Pantone 802
RGB=128/212/69 CMYK= 67C, 0M, 100Y, 0Y HSB: 95/67/83 Lab: 75/-63/63
Laptop 2,color picker, (example) Pantone 802
RGB=117/189/73 CMYK= 67C, 0M, 100Y, 0Y HSB:97/61/74 Lab: 75/-63/63
This istrue of all spot colors. (both are Pantone+ Solid Coated library) Why?
The PCversion looks to be correct. Why is the Mac version giving different
numbers inRGB and HSB?
Randy Zaucha
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