Inktek LBX 98888 Fluorescent Yellow Plastisol Mixing Base – High Opacity Low Cure Screen Printing Ink

Inktek

Inktek LB LBX98888 Flo Yellow Plastisol Ink
Inktek LB LBX98888 Flo Yellow Plastisol Ink
Inktek LB LBX98888 Flo Yellow Plastisol Ink
Inktek LB LBX98888 Flo Yellow Plastisol Ink

Inktek LBX 98888 Fluorescent Yellow is a low-cure plastisol ink formulated for maximum visibility — a blazing safety hi-vis yellow and neon lime-green that represents the most visible wavelength the human eye can perceive. Part of the 15-color Inktek LBX Pantone Mixing System, it delivers eye-popping fluorescent intensity straight from the container and mixes predictably with other LBX bases for fluorescent Pantone targets. Fully cures at 280°F.

🟡 Safety Hi-Vis Yellow
The most visible color in the spectrum
🌡️ Low Cure — 280°F
Safer on heat-sensitive performance wear
🎨 Pantone Mixing System
Blends with all 15 LBX inks for precise color matching
💡 UV-Reactive
Glows under blacklight
⚡ Flash & Stack Ready
Flashes cleanly, no ghosting on platen
🏭 SKU: PCLBX98888
Part of the Inktek LBX Series
🚚 Same-Day Shipping on orders before 3:30 PM CT Mon–Fri  ·  Free Shipping over $200  ·  Questions? (512) 454-0505

Price range: $44.99 through $479.99

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Description

Maximum Visibility. Zero Compromise.

The human eye is most sensitive to yellow-green light — which is exactly the range LBX 98888 Fluorescent Yellow occupies. It’s the color of safety vests, emergency equipment, hi-vis work gear, and neon athletic apparel for a reason: nothing is more visible. Part of the 15-color LBX Pantone Mixing System, LBX Flo Yellow delivers maximum fluorescent hi-vis intensity straight from the container and mixes with other LBX fluorescent bases to hit specific neon Pantone targets. Fully cures at 280°F. Use the free formulator at formulator.screenprintsupplies.com for exact ratios.

280°F
Full Cure Temp
UV-Reactive
Fluorescent Finish
86–160
Mesh Count Range
FREE
Pantone Formulator App

Why LBX 98888 Fluorescent Yellow?

The Most Visible Color in the Spectrum

Yellow-green is the peak sensitivity wavelength of the human eye — the color we see most easily in both bright and low-light conditions. LBX Flo Yellow occupies this exact range, making it the most visible color in screen printing. Safety apparel, hi-vis gear, and maximum-impact athletic wear all start here.

Hi-Vis Safety & Neon in One Base

LBX Flo Yellow covers both ends of its market: ANSI-adjacent safety yellow for hi-vis workwear and construction apparel, and neon lime-green for athletic, festival, and event apparel. Straight from the container it delivers in both directions.

Low Cure for Performance Fabrics

Full cure at 280°F means safe use on polyester and performance fabrics — the substrates most commonly used for hi-vis safety garments, athletic wear, and the event apparel where fluorescent yellow is most in demand.

Fluorescent Mixing Base

Mix with LBX Flo Green (LBX Green + Flo Yellow) for neon lime. Mix with LBX Flo Orange approach (Flo Yellow + Flo Red) for neon yellow-orange. The free formulator handles exact ratios for any fluorescent Pantone target.

Available Sizes

  • QQuart (32 oz) — Good for testing fluorescent yellow or running smaller hi-vis and neon accent jobs
  • GGallon (128 oz) — Standard production size for regular hi-vis, athletic, and fluorescent Pantone mixing work
  • 55-Gallon Pail — High-volume shops running hi-vis safety programs, event apparel, or large neon athletic runs

See It in Action

Where Fluorescent Yellow Wins

Hi-Vis Safety Apparel

Construction crews, road workers, safety vests, and workwear where ANSI-adjacent fluorescent yellow is the standard. The most visibility-critical color in safety apparel.

Athletic & Run Apparel

5Ks, charity runs, cycling clubs, and athletic programs where neon yellow-green is the go-to high-visibility color for safety and visibility on the road or trail.

Festival & Neon Merch

Festival, concert, and rave apparel where neon lime-green and fluorescent yellow are design staples. Glows intensely under blacklight.

Fluorescent Lime Mixing

Mix with LBX Green for neon lime-green targets. The formulator gives exact ratios for any specific neon yellow-green Pantone target.

⚠ Don’t Overcure Fluorescents

Exceeding 280°F degrades fluorescent pigments and dulls the color. Use a donut probe to verify internal ink temp. Dial in belt speed carefully — overcured fluorescent yellow loses its neon intensity and becomes a flat standard yellow.

⚠ Underbase Required on Dark Garments

Fluorescent inks are semi-transparent. On dark garments, always print a white underbase first, flash, then print the fluorescent yellow on top. Without an underbase the substrate mutes the fluorescent effect entirely.

LBX 98888 Fluorescent Yellow Is a Pantone Mixing Ink — Not Just a Color

This is an engineered mixing base — one of 15 fully inter-mixable LBX inks designed to hit specific Pantone targets by weight. Use the free LBX Pantone Color Formulator to get exact gram-weight mix ratios instantly. No guessing. No waste. Repeatable run after run.

🎨 Open Free LBX Formulator → formulator.screenprintsupplies.com

Complete Inktek LBX Plastisol Mixing Color System

The LBX system includes 15 fully inter-mixable colors — 10 standard bases and 5 fluorescent bases. Use the free LBX Pantone Color Formulator to get exact mix ratios by weight for any Pantone color instantly.

Color SKU Role in the System
LBX White PCLBX11888 Tint base, pastels, underbases — the most-used base in the system
LBX Black PCLBX19888 Neutral shading, dark and muted Pantone formulas, earth tones
LBX Orange PCLBX38888 Sports oranges, warm spectrum bridge between red and yellow
LBX Red PCLBX48888 Warm reds — brand reds, sports reds, PMS 485 / 032 / 200
LBX Magenta PCLBX48889 Cool reds and pinks — Rhodamine Red, Rubine Red, the full pink family
LBX Violet PCLBX58888 Purple anchor — collegiate purples, brand violets, lavenders
LBX Marine PCLBX68888 Deep navy anchor — PMS 289 / 281 / 295 and the full dark blue family
LBX Blue PCLBX68889 Bright blues — sky blue, Carolina blue, royal blue, process blue
LBX Green PCLBX78888 Kelly green, forest, olive, teal bridge — the most versatile base
LBX Yellow PCLBX88888 Athletic golds, school yellows, warm spectrum bridge to orange and green
LBX Flo Pink FLUOR. PCLBX98880 Neon hot pink — festival, concert, and athletic apparel
LBX Flo Red FLUOR. PCLBX98884 Fluorescent safety orange-red — hi-vis apparel and warm accent colors
LBX Flo Purple FLUOR. PCLBX98885 Electric neon purple — concert and festival merchandise
LBX Flo Blue FLUOR. PCLBX98886 Electric neon blue — athletic programs, concert merch, neon teal mixing
LBX Flo Yellow ← You Are Here FLUOR. PCLBX98888 Safety hi-vis yellow and neon lime-green — the most visible color in the spectrum
LBX Complete Kit ALL 15 COLORS LBX-KIT All 15 LBX bases in one kit — everything you need to mix any Pantone color

All 15 LBX colors are fully inter-mixable · Low cure from 280°F · Non-phthalate · Available in quart, gallon, and 5-gallon · Browse all LBX colors →

Ready to Order?

Orders before 3:30 PM CT ship same day. Free shipping over $200.

📞 (512) 454-0505  |  📧 [email protected]
Free Pantone Formulator Included

Get exact gram-weight mix ratios for any Pantone target — free, instant, no login required.

formulator.screenprintsupplies.com →

Technical Specifications

Inktek LBX 98888 Fluorescent Yellow — Technical Specifications
Product Name Inktek LBX 98888 Fluorescent Yellow
SKU PCLBX98888
Ink Type Plastisol (PVC-based), Low Cure
Color Family Fluorescent Yellow — safety hi-vis yellow, neon lime-green
Primary Application Hi-vis safety apparel, athletic neon, Pantone fluorescent mixing base
Recommended Cure Temperature 280°F (138°C) internal ink temp
Recommended Mesh Count 86–160 mesh
Recommended Squeegee 70–75 durometer; moderate pressure
Opacity Low–Medium (semi-transparent; underbase required on dark garments)
UV / Blacklight Reactive Yes — fluorescent pigment, UV-reactive finish
Suitable Substrates 100% cotton, polyester, tri-blends, performance wear
Mixing System Inktek LBX Pantone Mixing System (15 inter-mixable bases)
Formulator Software formulator.screenprintsupplies.com — free, no login required
Available Sizes Quart (32 oz), Gallon (128 oz), 5-Gallon Pail
Shelf Life 2 years from manufacture date (sealed, room temp storage)
Storage Cool, dry location; keep away from heat and direct sunlight
Brand Inktek
Distributor River City Supply — screenprintsupplies.com

Technical Sheets / Safety Data Sheets / Documents

Printers Choice HX Safety Data Sheet

FREQUENTLY ASKED QUESTIONS

Why is fluorescent yellow the most visible color in screen printing?

The human eye is most sensitive to yellow-green light at around 555nm wavelength — the peak of photopic vision. Fluorescent yellow occupies this exact range and uses fluorescent pigments that re-emit absorbed UV light as visible yellow-green, pushing the perceived brightness beyond what standard pigments can achieve. That’s why it’s the standard color for safety vests, emergency equipment, and maximum-visibility apparel.

Can I use LBX Flo Yellow on hi-vis safety vests and polyester workwear?

Yes — full cure at 280°F is safe on polyester and performance fabrics, including the moisture-wicking materials common in hi-vis safety garments. The lower cure temp reduces dye migration risk on poly compared to standard-cure inks at 320°F.

Do I need an underbase on dark garments?

Yes — fluorescent inks are semi-transparent and cannot block a dark substrate on their own. Print a white underbase first, flash it fully, then print the fluorescent yellow on top. Without an underbase on dark shirts, the substrate mutes the fluorescent effect entirely.

Why did my fluorescent yellow look dull after curing?

Overcuring is the most common cause. If internal ink temp exceeds 280°F, the fluorescent pigments degrade and the ink loses its neon intensity — reading as a flat standard yellow. Verify with a donut probe, not a surface gun. Also confirm you printed on white or a white underbase.

Does River City Supply ship same day?

Yes — orders placed before 3:30 PM CT Monday through Friday ship the same day. Free shipping over $200. Call (512) 454-0505 or email [email protected].
Questions? We stock and use these inks.

Reach out any time.

📞 (512) 454-0505  |  📧 [email protected]

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