Magnus, I have two Spyder2 here and one of them results in profiles with a terrible green cast. I would not be surprised that the instrument itself is the source of your problems. Roger > -----Original Message----- > From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms- > bounce@xxxxxxxxxxxxx] On Behalf Of Magnus Berg > Sent: 11 avril 2010 07:40 > To: argyllcms@xxxxxxxxxxxxx > Subject: [argyllcms] Am I stupid or is it something else... my color > management sucks. > > Hi, I'm new to the list and got a big problem. > > I bought me a used Spyder 2. Realized that my old CTR couldn't produce > enough light (90 cd/m^2 not 140 cd/m^2 that sRGB require). Digged a deep > hole in my wallet and bought a quite expensive NEC 2690WUXI2. Now my > color managed application show a green cast after calibration and proofing. > It's not fun at all. :-( > > > This is how I do the calibration and proofing: > > I use dispcalCUI. After that I had use the screen's OSD to set the 'White > point', 'White level' and 'Black point' i got this nice values then I do a 'Check > all': > > Doing check measurements > Black = XYZ 2.28 7.37 0.00 > Grey = XYZ 27.17 28.58 31.02 > White = XYZ 130.26 137.22 149.83 > 1% = XYZ 1.38 1.46 1.58 > > Target Brightness = 140.00, Current = 137.22, error = -2.0% > Target 50% Level = 50.07, Current = 28.58, error = -15.4% > Target Near Black = 1.37, Current = 1.46, error = 0.1% > Target white = x 0.3128, y 0.3291, Current = x 0.3121, y 0.3288, error = 0.38 > DE > Target black = x 0.3128, y 0.3291, Current = x 0.3120, y 0.3299, error = 1.22 > DE > > > Then dispcalGUI send this command to dispcal: > dispcal -v -d1 -c1 -yl -P0.500317863954,0.485345838218,1.0 -qh -t6500 > -b140 -G2.2 -f0 -k0 -A4 -B0.0001 colprof -v -qh -al > > Before, then I only did a -qm calibration, I got strong red casts on my > calibrated screen, and the profiled applications gave strong green casts. The > strange thing then was that the red cast only occurred on color 254,254,254 to > around 249,249,249 but tones darker than that looked neutral grey with my > eyes. After that I chose -qh this color tones and others looks neutral, with my > eyes. > > > After that I load the calibration profile done after the command above I got > this then I run dispcal -r -yl: > > magnus@debian:~$ dispcal -r -yl > XRandR 1.2 is faulty - falling back to older extensions Place instrument on test > window. > Hit Esc or Q to give up, any other key to continue: > Current calibration response: > Black level = 0.60 cd/m^2 > White level = 135.50 cd/m^2 > Aprox. gamma = 1.92 > Contrast ratio = 226:1 > White chromaticity coordinates 0.3099, 0.3266 > White Correlated Color Temperature = 6676K, DE 2K to locus = 4.9 > White Correlated Daylight Temperature = 6676K, DE 2K to locus = 0.3 > White Visual Color Temperature = 6490K, DE 2K to locus = 4.7 > White Visual Daylight Temperature = 6664K, DE 2K to locus = 0.3 > The instrument can be removed from the screen. > > > I understand nothing. How can I have gamma 1.92 and the above > temperature then I chose to calibrate to 2.2 and 6500? And why is there a > green cast on the pictures viewed in Color managed applications? > > Did I understand things right: > I should load the profile as a system wide screen calibration profile with > dispcalGUI, the same as you do with dispwin -L. And then I load then same > profile to the color managed applications as a screen color profile? > It's then I load then profile into then color managed applications that then > green cast ampere. > > I have struggled with this for weeks, and googled a lot, and reading this mail > list without finding any useful help. Therefor I ask you for help. The only thing > I want is a good color managed environment for working with sRGB pictures. > > >