Is it possible to change the color in TV Mode?

[etiktghb]

Joy-Con color is gray when in TV Mode.
When in Handheld Mode, the Joy-Cons are identified.
Is it possible to change the color in TV Mode?

In Neon Pink, there is only one color information on the backed up SPI.
Red has two color information locations, and the color is identified even in TV Mode.
Is this related to this?

Neon Pink SPI BIN
006050- #FF3278 #28001E
046050-

Red SPI BIN
006050- #E10F00 #280A0A
046050- #E10F00 #280A0A