HDMI colors different from Color Picker

Artorious8 · Feb 23rd 2020

Hey guys sorry if this has been solved earlier but couldn't seem to find a similar issue posted anywhere.

So I'm kinda new to Hyperion but I had a build working for a while before my original grabber died on me. I bought a new UTVF007(all I could find) and used the "no-change" workaround in my config file. But ever since after that my HDMI screen cap flipped the blue and red channels. I can fix it by changing the RGB color order but then my color picker is wrong and flips the blue and red channels.

Does anyone know a solution for this?

Akriss · Feb 24th 2020

In Hyperion try changing the RGB order.
Image from classic Hyperion.

Hope it helps.

Artorious8 · Feb 24th 2020

Yea I tried every option on the list to fix it. So if I use the BGR option the Color Picker works correctly, blue=blue,red=red, green=green, but then using the grabber it will switch the blue and red channels for some reason. And if I use the RGB option the grabber shows the right colors, blue=blue,red=red, green=green, but now on the Color Picker the blue and red channels are switched.

It worked perfectly the first time I set it up with the UTV007 chip

T-IOOO · Feb 24th 2020

I am also running BGR configuration with APA102.
One thing I've noticed is that the Gamma values will be incorrect.

Artorious8 · Feb 25th 2020

We're you able to correct it?

UrsiD3 · Nov 5th 2025

Yeah, I’ve noticed the same kind of mismatch before — sometimes the HDMI feed and the color picker don’t align exactly because of color space or brightness differences. I found it helps to double-check colors using an online tool like https://colorpickerimage.org/

— you can upload a frame grab and compare the exact RGB values. It’s a quick way to see what’s actually being output.

Ambient_theater77 · Nov 5th 2025

with APA102 ledcontroller run Gamma at 2.2 or 2.4 This what i strongly recommend

Run it also in BGR, and use the colourwizard in the top of the webpage

pclin · Nov 6th 2025

UrsiD3

As you've already noticed, the problem is the grabber.

Which grabber are you using?

Since you're posting in an old thread about old analog grabbers, I hope you're not using that one.

regards pclin

HDMI colors different from Color Picker

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