I tried to capture the output with CRT mask enabled via capture card but the result doesn't even come close to how good it looks like on an OLED TV🥹
Retrotink 4K (scaler) settings
Upscaled to 4k
1. Sharp Pixels | HDR OFF
2. Photo of an OLED LG C9: CRT Mask: A Grille RYB | HDR ON