Just listen to ska in the summer and metal the rest of the year

Just paint your metal white and your problem will be solved.

Preach, I quit black metal t shirts ten years ago and haven't looked back. Unless of course there is no other option, or the colour is particularly crap

Or blood.

You're close. Not 'white goth'...

Pastel Goth:

Arguably many variants of the older, harajuku gothic lolita style can/have also been done in primarily white or lighter colors.

This is a more modern dress and pic, but I think you could find examples of similar going back to at least the 90s:

... there's also now... clown core, and clown goth, but ... just no, nope, you're gonna have to personally choose to look for that, I'm not just gonna force you to see it.

EDIT:

I suppose if we carry forward trends in PC case styling... to fashion... well, we would somehow have to end up with dresses or suits with wood grain pattern elements or accents.

... Not sure if that exists yet.

Can you make a ruffled fringe out of wood, lol?

Or like, wood grain patterned corset, you know, the trunk?

Leaf ears instead of cat ears?

Bonsai Core? Bonsai Goth?

Ok, pretty sure I'm delerious, time for bed now.

(...) and am kinda curious if it would look good.

Spoiler: It doesn't

I think that's called Pantera

There was a brief era in the 2000's where bands from pop-punk to metal-core released super bright coloured shirts (like fluro-bright) with over the top cartoon artwork, it was a nice change.

Also you can get pink metal shorts/jumpers that go pretty hard (i have only seen these worn by men though)

You could do that, unfortunately solar irradiance is highest in the visible spectrum.

Agreed!

For variety, I sometimes switch it up with charcoal, ebony, or obsidian.
But for special occasions I'll break out the soulcrusher's Vantablack.

I don't know. I wear black, pastel black, broken black, dark black and 50 shades of black. Plenty of options.

I was very relieved by the end of that sentence.

Looks like the sign is shopped, so it makes the rest of it look weird with the contrast.

No, white clothing does reflect more heat than black clothing. However the answer to which is better to wear in hot weather is "it's complicated", the TL;DR is that for tight clothes white is better, for loose clothing black and white are the same.

So the fit of the clothing is actually more important than the colour. However, if you are going to be wearing tight-fitting clothing, then stick with white. Fabrics with texture – such as seersucker or pique, a fabric often used in sports polo shirts – also help to lift clothing off your skin, rather than staying snug and tight-fitting.

Light gets converted into heat, white rejects more light before it can do that.

Colors work by which parts of the light spectrum get absorbed and which get reflected. A shirt that absorbs most wavelengths, but largely reflects green, will look green.

And in that same vein, colors will appear darker, if less light is reflected in general. So, a white shirt may reflect 90+% of light, whereas a black shirt may absorb 90+% of light.

And ultimately, absorption means that the light's energy is turned into warmth. So yeah, a darker shirt heats up more in the sun.