Capture black and white screen

[Pro100rus32]

General information:

• OS name: Win
• OS version: 10
• OS architecture: 64 bits
• Resolutions:
  • Monitor 1: 1366x768
• Python version: 3.8.6
• MSS version: 6.0.0

Is it possible to capture the screen in black and white? Will it speed up screen capture versus color capture?

If it speeds up the capture, it will be better than applying filters.