16-bit color means an extra bit for the green component (565) and that's the best a 3dfx V3 can do, so you live with it. VGA output's also generally green without corrections/adjustments.

leileilol wrote on 2026-05-01, 22:09:

16-bit color means an extra bit for the green component (565) and that's the best a 3dfx V3 can do, so you live with it. VGA output's also generally green without corrections/adjustments.

Thank you. Is this the price we pay as Voodoo owners? And there is no workaround?

In the advanced display properties there should be sliders to change the gamma values for each color channel.

skii837 wrote on 2026-05-01, 21:43:

Hello team, […]
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Hello team,

I have a Voodoo 3 2000, PIII 800 MHz slot, BX 440

I have installed Quake 3 Quad Damage GoG version. The image is very dark of course but has a green tint.

How can I correct this?

I look forward to hearing from you.

If you're using Voodoo3 with an LCD monitor (and the colors are fine in other applications), I suspect that you may observe the same effect I have faced here. It results from CRTC parameters used in Voodoo's bios. Unless someone's willing to make a patch, try changing the screen resolution, if the game supports it - the tint may go away in a different video mode.

Thank you for the help.

I have an NEC PC CRT.

The Voodoo’s bios is still on 1.0, at least that is what the sticker says. I haven’t installed the 3Dfx Voodoo tool yet.

Hmm, if it’s a CRT, I’m not sure my issue is the root cause here. Then I’d indeed start from calibrating the monitor, and in case of Windows - also setting up proper driver and color/monitor profile.

skii837 wrote on 2026-05-02, 18:24:

I have an NEC PC CRT.

nec multisync crts look fairly green from my experience. this is normal, i've even once tried to do a shader preset to replicate the look. viewsonics too

The screen may have a green push in the shadows, it's not uncommon now that CRTs are much older since the calibration shifts. If the image is very dark most of the content may be in the region with the green colour bias. I guess we don't know really how green it is to make a real judgment.

3D games having green tint was a complaint back is ye olde times, even finding its way into vintage forum and publications.

If you have a modern crt or lcd you can adjust your color balance but if a component is failing you might have to break out testing gear and tools.