About the spiked hair tag
spiked hair is a hair tag that NovelAI Diffusion can use. On Danbooru it has 70,002 posts, and its best-rated still image scores 1,095. The samples above put the tag at the front of a fixed base prompt with seed 1234, so the differences between tags come from the tag alone.
How each model draws spiked hair
Follows composition and expression instructions closely, so the effect shows in a tidy form.
Reacts to the tag more strongly, so its effect is easier to see.
WAI illustrious SDXL v17, a local model. Shows how the same tag reads outside NovelAI.
Writing spiked hair in a prompt
Put the subject first, then this tag, then quality tags.
1girl, solo, spiked hair, best quality, masterpiecewlop, 1girl, spiked hairThe negative prompt and the full settings are on the terms page.
How these samples were made
Every image uses 832×1216, seed 1234, 23 steps and the k_euler_ancestral sampler. The base prompt and negative prompt stay the same for every tag, and only the tag under test changes. Images flagged by the NSFW check are regenerated with a new seed or hidden.
From the Danbooru wiki
A hairstyle in which the hair is formed into spikes. This hairstyle is largely seen on male characters from Shōnen manga and anime, though it is sometimes seen on female characters as well.
It is a youthful, messy and wild hairstyle. The artist Toriyama Akira was particularly known for his spiky-haired character designs, particularly in Dragon Ball Z, where by the end of the series every protagonist even remotely relevant had some form of this hairstyle.
Examples
See also
FAQ
Does NovelAI recognize spiked hair?
Compare the samples on this page. Every tag on this site shares the same seed and base prompt, so any change you see comes from spiked hair.
How do I write spiked hair in a prompt?
Write "spiked hair" near the front of the prompt and separate it from other tags with commas.
Should I use V5 or V4.5?
V4.5 shows the tag's effect more strongly. V5 gives steadier images with fewer artifacts.