Lime Crime Unicorn Pink vs Blue: Which Boldest Shade Wins

Pink and blue are Lime Crime's most iconic shade families. Pink is playful and flattering. Blue is bold and edgy. Here is how they compare.
| Factor | Lime Crime Unicorn Hair Dye Mochi Lavend | Lime Crime Unicorn Hair Dye Sea Witch Ri |
|---|---|---|
| Vibrancy | Bright and playful | Electric and edgy |
| Longevity | Four to six weeks | Four to eight weeks |
| Staining risk | Low to moderate | High |
| Fade beauty | Soft blush pink | Dusty denim to silver |
| Skin tone fit | Most skin tones | Cool tones best |
| Price | Around 14 to 18 dollars | Around 14 to 18 dollars |
Our Verdict
Pick pink if you want flattering, playful color with easy fading. Pick blue if you want maximum edge and do not mind staining risk. Pink is the safer first bold color. Blue is the commitment for the brave.
More Top Picks in This Category
Not sold on either of these two? Here are more bestselling options worth considering.

Best for: Mermaid-core seafoam green hair.
Lime Crime Unicorn Hair Dye Dirty Mermaid Seafoam Green
- Seafoam green shade
- Full coverage
- Vegan formula
- Sweet vanilla scent
Pros
- Unique mermaid tone
- Conditions hair
- Even application
Cons
- Fades to mint fast
- Needs platinum base

Best for: Electric blue that turns heads.
Lime Crime Unicorn Hair Dye Mystic Electric Blue
- Electric blue shade
- Damage-free color
- Leaping Bunny certified
- Sugary citrus scent
Pros
- Electric payoff
- Certified cruelty-free
- Shiny results
Cons
- Bleeds when wet
- Stains

Best for: Violet purple with cult-brand quality.
Lime Crime Unicorn Hair Dye Pony Violet Purple
- Violet purple shade
- Semi-permanent tint kit
- Moisturizing formula
- Vegan
Pros
- Rich violet color
- Easy DIY
- Hair feels soft
Cons
- Fades with washing
- Patch test needed
Fantasy Color Maintenance for Pink and Blue
Pink and blue fade differently, and the routine should respect that. Pink shades like the Unicorn Hair pink fade fastest of all fantasy colors, washing toward pale peach within two to three weeks. Blue shades like Mystic Electric Blue fade slower but stain more, lingering as teal or green-tinged remnants. The maintenance routine: cold water washes only, sulfate-free shampoo, washing two to three times weekly maximum, and a color-depositing conditioner in a matching shade weekly to replace lost pigment.
Blue needs an extra caution. Its staining power means pillowcases, towels, and even light clothing take on a blue cast for weeks, so dark linens are practical, not optional. Pink is kinder to fabrics but harsher on patience, needing refreshes twice as often as blue. Refresh pink when it reaches half intensity; refresh blue when the teal fade starts looking muddy rather than intentional. Heat styling fades both measurably with each pass, so air-dry when possible. The Arctic Fox hair guide compares fade timelines across fantasy color families.
Hard Water and Chlorine: The Color Shifters
Minerals and chlorine shift fantasy colors in ways buyers blame on the dye. Hard water iron deposits dull pink into a muddy salmon and push blue toward teal-green, since the mineral film sits over the pigment and alters how light reflects. Chlorine is harsher: it strips semi-permanent pigment aggressively and can turn blue shades green by oxidizing the color molecules. A single long swim can undo weeks of careful maintenance.
The defense is layered. A shower filter reduces mineral deposition at the source and is the highest-impact purchase for fantasy colors in hard water areas. Chelate monthly to strip accumulated minerals, but never chelate right after a fresh dye, since it pulls new pigment too. Before swimming, wet hair with clean water and apply a leave-in conditioner as a barrier, and rinse immediately after. Swimmers with fantasy colors should accept shorter vivid phases or wear a swim cap, since no product fully defeats chlorine. The amla hair guide covers gentler color approaches for swimmers tired of the maintenance war.
Fixing Dye Mistakes on Vivid Colors
Vivid dyes show mistakes vividly. Uneven application leaves patchy pink or blue that no filter hides. The fix is re-application to the pale areas only, processed for the full time, since semi-permanent dye layers forgivingly. Do not re-dye the whole head for patchiness. Staining on the forehead and ears is the most common complaint with blue shades: prevent it with barrier cream before application, and remove fresh stains with oil-based cleanser before they set.
Color bleeding onto the other shade, pink hands from blue dye and vice versa, happens when sections are not separated during processing. Wrap processed sections in plastic wrap to isolate them. If blue fades to an unwanted green, a pink or red color-depositing conditioner neutralizes the green cast without a full re-dye, since red cancels green. If pink fades to a brassy peach, a purple conditioner cools it back down. These color-theory corrections save full dye sessions. The Arctic Fox hair guide details sectioning that prevents most application mistakes.
Want the Full Picture?
Making Your Color Last Longer
Whether you choose the Lime Crime Unicorn Hair Dye Dirty Mermaid Seafoam Green or the Lime Crime Unicorn Hair Dye Mystic Electric Blue, at-home color rewards patience, so rushing the process is where most disappointments start. Washing with hot water and harsh shampoo in the first week strips fresh color faster than almost anything else. Trying to lift dark dye to blonde in one session at home is how hair gets fried, so lighten gradually.
The most common mistake is skipping the strand test, which is the only way to preview the actual color on your hair.