Color profiles have no effect

[richardm317]

Both of my monitors are displaying oversaturated colors. Adding or changing color profiles doesn't appear to do anything. Do color profiles need a reboot in order to take effect?

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System:    Host: minty Kernel: 4.15.0-39-generic x86_64 bits: 64 gcc: 7.3.0
           Desktop: Cinnamon 3.8.9 (Gtk 3.22.30-1ubuntu1) Distro: Linux Mint 19 Tara
Machine:   Device: desktop System: ASUS product: All Series serial: N/A
           Mobo: ASUSTeK model: Z87-A v: Rev 1.xx serial: N/A UEFI: American Megatrends v: 2103 date: 08/15/2014
CPU:       Quad core Intel Core i5-4670K (-MCP-) arch: Haswell rev.3 cache: 6144 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 27184
           clock speeds: max: 3800 MHz 1: 3456 MHz 2: 3435 MHz 3: 3429 MHz 4: 3435 MHz
Graphics:  Card: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.6 ) drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1920x1200@59.95hz, 1920x1080@60.00hz
           OpenGL: renderer: Mesa DRI Intel Haswell Desktop version: 4.5 Mesa 18.0.5 Direct Render: Yes
Audio:     Card-1 Intel 8 Series/C220 Series High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
           driver: snd_hda_intel bus-ID: 00:03.0
           Card-3 C-Media CMI8788 [Oxygen HD Audio] driver: snd_virtuoso port: d000 bus-ID: 05:00.0
           Card-4 Logitech QuickCam Pro 9000 driver: USB Audio usb-ID: 002-006
           Sound: Advanced Linux Sound Architecture v: k4.15.0-39-generic
Network:   Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: e000 bus-ID: 03:00.0
           IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives:    HDD Total Size: 5243.1GB (44.6% used)
           ID-1: /dev/sda model: CT1000MX500SSD1 size: 1000.2GB
           ID-2: /dev/sdb model: INTEL_SSDSC2CT24 size: 240.1GB
           ID-3: /dev/sdc model: WDC_WD40EZRX size: 4000.8GB
           ID-4: USB /dev/sde model: USB3.0_CRW_ size: 2.0GB
           Optical-1: /dev/sr0 model: HL-DT-ST BD-RE  BH10LS38 rev: 1.03 dev-links: cdrom,cdrw,dvd,dvdrw
           Features: speed: 40x multisession: yes
           audio: yes dvd: yes rw: cd-r,cd-rw,dvd-r,dvd-ram state: running
Partition: ID-1: / size: 884G used: 591G (71%) fs: ext4 dev: /dev/dm-1
           ID-2: /boot size: 705M used: 151M (23%) fs: ext4 dev: /dev/sda2
           ID-3: swap-1 size: 34.22GB used: 0.00GB (0%) fs: swap dev: /dev/dm-3
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 29.8C mobo: 27.8C
           Fan Speeds (in rpm): cpu: 0
Info:      Processes: 256 Uptime: 56 min Memory: 3286.6/32042.0MB Init: systemd runlevel: 5 Gcc sys: 7.3.0
           Client: Shell (bash 4.4.191) inxi: 2.3.56

[Hoser Rob]

Dont't know, reboot and see for yourself.

[richardm317]

Rebooting accomplished nothing.

[srq2625]

I need to ask:

• How did you generate your monitor color profile?
• What software did you attempt to use to load the monitor profile?

Color profiles I use were generated using an open-source hardware product called ColorHUG that I purchased a number of years ago. To generate a useful monitor profile, first one needs to set the monitor to, for lack of a better term, manufacturer neutral. Then generate the profile using the hardware/software combination of your choice.

Then, I've successfully used dispcalgui to load monitor profiles in just about every GNU/Linux distribution I've ever tried, LM being no exception.

[richardm317]

I'm trying several of the in-box profiles that ship with Mint 19. I'm not doing any video or photo editing nor do I watch movies on this system so I don't really need high accuracy. I just want to dial down the saturation a little. I'd be happy if I could get a color saturation slider or even a numeric adjustment that I could tweak a little. Right now my basic entry-level monitors on Mint 19 almost resemble wide gamut monitors on Windows 7. I'm surprised more people aren't complaining about this -- my setup is totally vanilla from top to bottom so I would think that others with this common hardware would have the same issue.

I have an older Spyder (Spyder 3, maybe a 4) in the closet somewhere. It appears to have linux support so I'll dig it out and see if I can accomplish anything.

[richardm317]

I've installed DisplayCAL. Launched it for the very first time and it applied my profiles at startup! Now I just need to figure out which profile I want to use. Between the bundled ICCs and the Mint in-box ICCs there's a lot to choose from...

[Neil Darlow]

Do you have gnome-color-manager installed? I had to install that package in order to be able to use colour profiles.

Regards,
Neil Darlow

[richardm317]

It's installed. I think it's part of the base installation?

Edit: So I've wound up with BestRGB on one monitor and BruceRGB on the other and this looks pretty good. The Mint in-box profile chooser works in real time with some of these profiles but others don't seem to apply. I think I'll dig out my Spyder and give it a spin. I was using it under Windows and I hated the software it came with so much that I wrote it off. DispcalGUI looks promising.

[L85b3]

Hello,

I am not new to Linux Mint but new to color profiles. I had a very similar issue, changing the color profile took no effect - most of the time.
I accidentally found one profile called D55 which did take effect so I compared it with the ones that didn't.
I found that the ones that work have a tab called VCGT in the Color Profile Viewer. The non-working ones don't have this tab.
Then I also looked at colormgr:

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colormgr get-profiles

. The working profiles have a

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Gamma Table: Yes

entry. Don't ask me what it means, I have no clue.
So finally I started to google for new profiles and I found this site. - here I found a lot of profiles with this VCGT thing.