I think it was a mistake to go with yellow in the first place and I see the case for changing it to magenta/green/anything.

But I think when we’re representing people or human hands it’s necessary to allow for skin colour, and by not doing so we’re needlessly erasing people. I’m just not a fan of the ‘it’s racist to bring up race’ argument, which is not what you’re saying but the original comment was veering towards