The official "Rainbow Red" used in many Lenovo logos is Hex #E60012 . Implementation Guide

The Ultimate Guide to Lenovo OEM Logo BMP (120x120): Customizing Your System Boot and BIOS

The 120x120.bmp OEM logo appears in the following scenarios:

to see your custom hardware-level branding boot screen.

The operating system finds this file through a specific entry in the Windows Registry . The path is defined under:

: Disable "Turn on fast startup" in Windows Power Options, or test by performing a full restart. 2. "Image Too Large" or "Invalid Format" Error

The file is traditionally stored in C:\Windows\System32\oemlogo.bmp .