The Keychron K3 has full RGB backlighting with individually-lit keys. You can cycle through brightness settings and lighting effects using the Fn and function keys. It doesn't get bright enough to make the colors stand out in a well-lit room. ...
If it's hard to justify flashing backlight colors, it's also hard to dislike them Keychron's low-profile optical switch version goes further and features hot-swappable caps and keys, meaning you can change both without switching off the keyboard. Then for that optical switch...
The SteelSeries is a full-size gaming keyboard with unique OmniPoint switches, and you can change the pre-travel distance of each switch. You can also set macros on the SteelSeries, which you can't with the Keychron. The Keychron is a wireless office keyboard in a compact 65% size, so ...