Home › Forums › Help and Support › Washed out colors after calibration.
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Vincent.
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2022-08-24 at 20:56 #36556
Hey everyone! So, I have 2 monitors: Benq SW270C and pretty old AOC G2460PQU. Benq has factory hardware calibration and it’s pretty okay. So what I’m trying to do is to calibrate my AOC monitor to be as close as possible to Benq in sRGB range. But the issue is that after calibration AOC colors look even worse than before. For some reaseon contrast is very low and it displays dark areas much brighter than benq. Even dragging discord app between 2 screens color is completely different. Any ideas what I’m doing wrong?
Some more info:
– Windows 11 21H2 Build 22000.856
– DisplayCAL 3.8.9.3
– Calibration tool: Spyder X
– Drivers: Argyll V2.3.0Attachments:
You must be logged in to view attached files.SpyderX Pro on Amazon
Disclosure: As an Amazon Associate I earn from qualifying purchases.2022-08-25 at 8:49 #36575Easy. Un attach AOC profile from OS and try to calibrate again. On popup window with RGB bars make white color and brioghtness equal. Then meaure black.
If that AOC black (before GPU calibration is applied) is worse than the faulty model SW270C (most of them are faulty destroyed contrast and its HW calibration software does not work as intended)…it can be:
-your fault because messing with RGB gains in a wrong way: Contrast OSD value shoud be at factory value. Try to leave WP to its native color, lower brightness and measure contrast
-AOC monitor fault (it cannot go to lower black at that whitepoint and brightness)2022-08-25 at 16:06 #36578Okay, so I reset AOC OSD settings to default, reset video card gamma table and tried to calibrate it again. In DisplayCal i also set whitepoint to “as measured”. In order to achieve 120 cd/m on this monitor i need to set up my brightess to 1 in OSD (out of 100), i also changed gamma to “gamma 3”, cuz with no color profile applied it looks pretty close to BENQ, and adjusted RGB sliders. Eventually it still looks much worse than benq after calibration. To be honest with no color profile applied it looks almost 1:1 to benq with this OSD settings.
Attachments:
You must be logged in to view attached files.2022-08-25 at 18:30 #36585I do not see native contrast reading (no VCGT calibration applied, only RGB gains & brightneess).
If RGB gains are 0-100 with 50 default they may be tricky >50 clipping one channel. You’ll have to check manually non color managed.
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This reply was modified 3 years, 9 months ago by
Vincent.
2022-08-25 at 18:39 #36588How can I make a no calibration measurement? RGB gains are 0-100 yes, but by default they sit below 50, i changed them just a bit.
2022-08-25 at 19:11 #36589I hope this is it.
Attachments:
You must be logged in to view attached files.2022-08-25 at 21:36 #36593How can I make a no calibration measurement?
Like you did or more easy in:

Stop and click on blak level measurement, an icon bellow RGB gain in the left.
Not much contrast @ native but it depends on the othe rpart of comparison.
2022-08-25 at 22:51 #365942022-08-26 at 8:57 #36604In your reprot your benq is not simulating sRGB, it is in a widegamut configuration, hence it is expected that an sRGB display will look washed out compared to that… but it will be your Benq configuration’s fault.
Also your AOC display can be very bad not covering sRGB so profile it and see a 2D projection or full 3D vlume comparison vs sRGB. If it falls short in some places… it will look washed out vs a true reference display simulating sRGB.
Also given 2 displays with whatever native gamuts both simulating sRGB 100%, same brightnes, same contrast, same white, TRC of each display may make one of them to look washed out if its TRC value is lower in dark greys.
These are the basic comparisons and test to make.
If we assume that you are going to calibrate SW270C to SRGB/Rec709 primaries and some gamma value or TRC (2.2., 2.4, sRGB) with that poorly made piece of software called “Palette Master Elements” (search its faults) so you can simulate smaller colorspaces like sRGB, and then you are going to calibrate AOC grey to “some whitepoint close to Benq” at same brightness and contrast… if AOC look washed out in non color managed enviroments…. very likely to be AOC’s native gamut boundaries failling short OR TRC issue explained above.
I cannot know without testing.PS: SW270C is not and cannot be use a “White LED” backlight, hance your colorimeter setup is wrong. Since you on that paperweight called SpyderX, you should use the only options you have to make an accurate reading: using LED widegamut modes. This may change Whitepoint coordinates.
2022-08-26 at 16:38 #36608I calibrated Benq using palette master element (6500k, 120 brightness, srgb, gamma 2.2). I attached report from it. I also recalibrated my AOC again with the same settings using displaycal. I also made measurements for both displays with and without sRGB simulation profile in displaycal.
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This reply was modified 3 years, 9 months ago by
Retr0 F1t.
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You must be logged in to view attached files.2022-08-31 at 11:26 #36657PME repost is useless as PME itself.
All your SW270C repots show bad grey range with ugly swings from 0.6 to -1.1 a*. PME takes to few uncalibrated grey patches and since out of the box your SW270C has very low quality (bad grey range) it cannot be corrected. It needs more grey calibration patches (not profilling patches, calibration patches).
As a general rule all Benq SW line should be avoided: bad HW quality, bad softwarte quality and overpriced.
Try to return it and get an Eizo CS which should be +20/30% more expensive for 4x or 5x the quality.To correct grey, after you have simulated sRGB/Rec709 with PME, calibrate grey with DisplayCAL on top of HW cal. And use slow or at least medium speed to measure up to 48/96 uncalibrated grey patches to compute VCGT (grey calibration). It you have an AMD card and use DsplayCAL GPU calibration loaded it should be bandless as if it was HW calibration.
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This reply was modified 3 years, 9 months ago by
Vincent.
2022-08-31 at 11:28 #36658Regarding “G2460 #2 2022-08-26 16-51 120cdm2 D6500 2.2 F-S XYZLUT+MTX” you must have done something wrong since profile self reporting grey (very bad) does not match measured grey (not good but not so bad as TRC info from profile)
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This reply was modified 3 years, 9 months ago by
Vincent.
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This reply was modified 3 years, 9 months ago by
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