Three different Original Game Boy emulators have three different default colors. I want to know which emulator displays the real/true color for the Original Game Boy? I know it's not Gambatte's default color. It's either VBA-rr or BGB. I had an Original Game Boy once and I think I remember the color being BGB's default color. And why do three different emulators have 3 totally different default colors for the Original Game Boy? I have posted snapshots of the three emulators I am using:
Gambatte
BGB
- VBA-rr
- Gambatte
- BGB
VBA-rr 
Gambatte
BGB
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