weight 0.6 is best.
I created this LoRA in response to a request.
akali, 1girl, solo, k/da \(league of legends\), (black hair:1.1), blonde hair, (multicolored hair:1.1), jewelry, fingerless gloves, midriff, earrings, two-tone hair, open jacket, black pants, crop top, blue eyes, belt buckle, ponytail
Depending on the differences in your model, you may need to modify the weight of the hair color.