color bars under taskbar icons


NunyaBeeswax

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Local time
7:56 PM
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win11home
Does anyone here know what the little color bars mean that appear under the open program icons in the taskbar? I have noticed that the length of the color bar is longer under the icon of the program I am currently using and short under the icons of the programs that are in the 'background', so I am guessing that is what the different lengths mean? But I am curious to know what the different colors mean. I currently have 3 open programs and they each have different colors - my outlook taskbar icon has a red color bar, my browser icon has a blue one, and my file/folder explorer icon is gray. Also, the outlook color bar always stay red, whether I am currently using it or it is in the 'background', but the colors of the other two (my browser and file explorer icons) change colors depending on which one of them is being used at the time - like right now since I am using my browser, the color bar under the icon is longer and blue, while the color bar under the file explorer is short and gray. But if I switch to the file explorer program, the color bar under that icon changes to long and blue and the color bar under the browser icon (which would now be in the 'background') would change to short and gray. I am concerned that the red color bar could indicate an issue with that program. Any confirmation/clarification on this would be greatly appreciated! Thanks!
 
Windows Build/Version
windows 11, ver. 21H2

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    Sound Card
    on board
    Monitor(s) Displays
    LG Ultragear Gaming Monitor (Model: 24GL600F)
    Screen Resolution
    1920 x 1080
    Hard Drives
    I have 4 hard drives currently connect to my system:
    running my current Win11 OS is a 2TB Western Digital Black (7200 RPM SATA 6Gb/s 64MB Cache)
    Western Digital Green 2TB (IntelliPower SATA 6.0Gb/s 64MB Cache)
    Western Digital Caviar Green 500GB
    WD 1TB (can't access specifics on this drive right now)
    (the last 3 came from my old system w/the last one containing my old OS Win7)
    PSU
    SeaSonic X Series X650 Gold (SS-650KM Active PFC F3) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Hasw
    Case
    Cooler Master Elite 431 Plus
    Cooling
    for my CPU I am currently using the stock cooling fan/system that came with it, and in my case I have 1x COUGAR 14CM CFD Green LED Hydraulic (Liquid) Bearing Ultra Silent Fan, 2x COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing (Fluid) 12CM Silent Cooling Fan, and 1 other 120mm fan that I don't remember the specifics for
    Keyboard
    Logitech Cordless Desktop Pro
    Mouse
    generic Wal Mart ONN optical mouse
    Browser
    Brave

NunyaBeeswax

Member
Thread Starter
Local time
7:56 PM
Posts
15
OS
win11home
So, just a quick follow up to my first post... out of curiosity, I just closed/reopened outlook and now the color of the little color bar is switching between blue and gray depending on if I am currently using that program - blue when I am and gray when it is in the 'background'. Still curious to know why it would have turned to red. ty
 

My Computer

System One

  • OS
    win11home
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 5 5600X
    Motherboard
    MSI MAG B550 Tomahawk
    Memory
    Corsair Vengeance LPX DDR4 2x16GB (32GB total) 3600MHz
    Graphics Card(s)
    Zotac Gaming GeForce GTX 1660 Super (Mem size: 6GB GDDR6/Mem bus:192-bit)
    Sound Card
    on board
    Monitor(s) Displays
    LG Ultragear Gaming Monitor (Model: 24GL600F)
    Screen Resolution
    1920 x 1080
    Hard Drives
    I have 4 hard drives currently connect to my system:
    running my current Win11 OS is a 2TB Western Digital Black (7200 RPM SATA 6Gb/s 64MB Cache)
    Western Digital Green 2TB (IntelliPower SATA 6.0Gb/s 64MB Cache)
    Western Digital Caviar Green 500GB
    WD 1TB (can't access specifics on this drive right now)
    (the last 3 came from my old system w/the last one containing my old OS Win7)
    PSU
    SeaSonic X Series X650 Gold (SS-650KM Active PFC F3) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Hasw
    Case
    Cooler Master Elite 431 Plus
    Cooling
    for my CPU I am currently using the stock cooling fan/system that came with it, and in my case I have 1x COUGAR 14CM CFD Green LED Hydraulic (Liquid) Bearing Ultra Silent Fan, 2x COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing (Fluid) 12CM Silent Cooling Fan, and 1 other 120mm fan that I don't remember the specifics for
    Keyboard
    Logitech Cordless Desktop Pro
    Mouse
    generic Wal Mart ONN optical mouse
    Browser
    Brave

glasskuter

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The colors I see match the colors I have set for active and inactive caption in the registry. Whichever window is in focus is the active window (darker color longer line). I use a theme I built myself, and I then altered the colors of the different window aspects using Wintools Colorchanger. This changes the registry entries in [HKEY_CURRENT_USER\Control Panel\Colors]. If you are using a pre-built theme, the colors you see are probably built into the theme. You can prove that is the case by changing themes.

I've used that little standalone app for years because I'm always playing with changing the way things look.
 

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    DELL 0J37VM
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    Benq 27
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    500w
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    Dell Premium
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    Logitech wired
    Mouse
    Logitech wireless
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    so slow I'm too embarrassed to tell
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium
  • Operating System
    Windows 10 Pro 21H2
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    Manufacturer/Model
    Dell Optiplex 9020
    CPU
    i7-4770
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    24 gb
    Monitor(s) Displays
    Benq 27
    Screen Resolution
    2560x1440
    Hard Drives
    256 gb Toshiba BG4 M.2 NVE SSB and 1 tb hdd
    PSU
    500w
    Case
    MT
    Cooling
    Dell factory
    Mouse
    Logitech wireless
    Keyboard
    Logitech wired
    Internet Speed
    still not telling
    Browser
    Firefox
    Antivirus
    Defender+MWB Premium

AddRAM

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All mine are the same color, a light gray.
 

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    Sound Card
    Supreme FX
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    Asus PG279Q
    Screen Resolution
    2560 x 1440 165Hz
    Hard Drives
    Samsung 980 Pro 500GB x2, Seagate Barracuda 4TB x2, Western Digital Black 4TB x1
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    Case
    Thermaltake View 31 Tempered Glass Limited Edition
    Cooling
    Corsair H115i, Thermal Grizzly Kryonaut
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    Logitech G910 Orion Spark
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    Logitech G700s, Asus ROG GX860 Buzzard
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    Verizon Fios Quantum Gateway 75/75
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NunyaBeeswax

Member
Thread Starter
Local time
7:56 PM
Posts
15
OS
win11home
Thanx for that info glasskuter. I haven't had the time to fully explore the various personalization options for windows 11. I did just now take a look at the various accent color options, which, it turns out, do change the color of the bar under the icons.

I am curious to know why the color under the outlook icon changed to red when I never made a change to the accent color option (until just now), and then, when I closed and reopened outlook, it changed back to the color that was set for it by default when I installed win11, which was blue (I have changed it now to match my background).

I still wonder if it turned red on its own to indicate some sort of issue with outlook (and the red color was present whether or not I was actively using outlook). Anyone have any ideas on that?
 

My Computer

System One

  • OS
    win11home
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY
    CPU
    AMD Ryzen 5 5600X
    Motherboard
    MSI MAG B550 Tomahawk
    Memory
    Corsair Vengeance LPX DDR4 2x16GB (32GB total) 3600MHz
    Graphics Card(s)
    Zotac Gaming GeForce GTX 1660 Super (Mem size: 6GB GDDR6/Mem bus:192-bit)
    Sound Card
    on board
    Monitor(s) Displays
    LG Ultragear Gaming Monitor (Model: 24GL600F)
    Screen Resolution
    1920 x 1080
    Hard Drives
    I have 4 hard drives currently connect to my system:
    running my current Win11 OS is a 2TB Western Digital Black (7200 RPM SATA 6Gb/s 64MB Cache)
    Western Digital Green 2TB (IntelliPower SATA 6.0Gb/s 64MB Cache)
    Western Digital Caviar Green 500GB
    WD 1TB (can't access specifics on this drive right now)
    (the last 3 came from my old system w/the last one containing my old OS Win7)
    PSU
    SeaSonic X Series X650 Gold (SS-650KM Active PFC F3) 650W ATX12V V2.3/EPS 12V V2.91 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Full Modular Active PFC Power Supply New 4th Gen CPU Certified Hasw
    Case
    Cooler Master Elite 431 Plus
    Cooling
    for my CPU I am currently using the stock cooling fan/system that came with it, and in my case I have 1x COUGAR 14CM CFD Green LED Hydraulic (Liquid) Bearing Ultra Silent Fan, 2x COUGAR CF-V12H Vortex Hydro-Dynamic-Bearing (Fluid) 12CM Silent Cooling Fan, and 1 other 120mm fan that I don't remember the specifics for
    Keyboard
    Logitech Cordless Desktop Pro
    Mouse
    generic Wal Mart ONN optical mouse
    Browser
    Brave

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