My direct answer is simple: I shortlist INYX Green when the brief specifically calls for a green catalog option, and Olive Blue when it calls for a blue catalog option. I do not rank either lens as more natural, more opaque, more enlarging, more comfortable, or better for dark eyes because the live listings do not provide evidence for those conclusions. In the United States, colored contacts are medical devices, including 0.00 plano lenses, and they require a valid contact lens prescription and proper professional fitting. Color comes after that medical decision.
I am writing as a Yilala brand editor comparing current product pages, published specifications, color names, and practical styling choices. I have not personally worn or tested either lens. I therefore keep this comparison within what the catalog can support. INYX Green is the green option under model HC1421; Olive Blue is the blue option under model HC1419. If your project needs green, I begin with INYX. If it needs blue, I begin with Olive. The final on-eye appearance can vary, and neither product page establishes a predictable result for every starting iris color.
My quick comparison
These are not two shades within one model. They belong to separate series with different model numbers. The current INYX Series product page lists INYX Green with INYX Pink and INYX Purple under model HC1421. The current Olive Series product page lists Olive Blue with Olive Brown and Olive Grey under model HC1419.
My editorial split is based on those verified identities. Green and blue create different color briefs even before makeup, wardrobe, and lighting enter the plan. I would not turn the names into unsupported claims about exact hue, warmth, coolness, translucency, coverage, or iris enlargement. Product photography can help a shopper inspect the catalog presentation, but it cannot predict what either lens will look like on a particular eye or screen.
| Decision point | INYX Green | Olive Blue |
|---|---|---|
| Series and model | INYX Series, HC1421 | Olive Series, HC1419 |
| Catalog color choice | Green | Blue |
| Material shown | HEMA+NVP | HEMA+NVP |
| Diameter shown | 14.2 mm in the purchase summary; 14.5 mm in the longer description | 14.2 mm |
| Base curve shown | 8.6 mm | 8.6 mm |
| Water content shown | 38% | 38% |
| Displayed power range | 0.00 to -4.50 | 0.00 to -4.50 |
| Listed replacement timing | Six months after opening | Six months after opening |
| What I can responsibly recommend | Shortlist for a green-led styling brief | Shortlist for a blue-led styling brief |
The shared fields make this a close catalog comparison, but they do not make the lenses interchangeable. Model identity belongs in the prescription and fitting conversation. A matching base curve or diameter on a web page does not prove that either lens will fit a particular eye, and a shared material or water percentage does not support a comfort comparison.
The INYX diameter conflict needs a clear answer
The live INYX page contains a conflict that I would not gloss over. Its purchase summary states a diameter of 14.2 mm, while the longer product description states 14.5 mm. Both values are currently visible on the same page. The Olive page currently states 14.2 mm in both its summary and longer specification section.
I use the two INYX values exactly as published rather than choosing one and presenting it as settled. Before ordering or opening INYX Green, verify the exact SKU, printed blister or package label, and current product documentation with Yilala. Then ask the prescribing eye care professional to confirm that the exact product and measurements match the prescription and fitting. If the page, package, prescription, or seller response disagrees, pause until the discrepancy is resolved. Do not assume that 14.2 mm and 14.5 mm are close enough to substitute.
This is also why I keep diameter out of the visual verdict. Overall lens diameter is not the same as a published graphic diameter, and the INYX listing does not give me a verified basis for promising enlargement. Olive Blue being listed at 14.2 mm likewise does not prove a smaller or subtler visible result. Those would be inferences, not catalog facts.
What the two live listings actually establish
Both pages currently display HEMA+NVP material, an 8.6 mm base curve, 38% water content, plano 0.00 through -4.50 in the visible power range, and a replacement statement of six months after opening. INYX carries model HC1421, while Olive carries model HC1419. I use the model numbers to keep notes, prescriptions, packages, and order checks unambiguous.
The power menu does not cover every vision need. It does not display plus powers, and the product panels do not show cylinder and axis options for astigmatism or add power for multifocal correction. I would never convert an eyeglass prescription, round to an available number, omit a prescription field, or choose plano as a workaround. The exact lens must be prescribed for the wearer.
The six-month wording also needs context. It is the listed replacement point after opening, not a promise that the lens can be worn every day for six months, not approval for continuous wear, and not permission to sleep in it. A prescriber or product labeling may require earlier disposal, and any damaged, contaminated, or symptomatic lens may need to be discarded sooner.
For a broader view of each range, I would read the INYX Series guide beside the Olive Series guide. Those guides show where each color sits within its own collection. They do not replace the live product listing, package label, or contact lens prescription.
How I choose by color brief
I treat the color name as a direction, not a lab measurement. For a concept board built around a green eye-color cue, I place INYX Green first. I might coordinate that brief with green clothing details, a restrained neutral makeup plan, or one repeated green accent elsewhere in the look. That is a styling framework only. I am not claiming a specific green undertone or a fixed level of visibility.
For a concept that explicitly needs blue, I place Olive Blue first. Denim, navy, a blue accessory, or a single blue makeup detail can connect the eye-color choice to the rest of the composition. Again, the recommendation comes from the catalog name and the requested palette, not from a promise that the lens will produce a particular blue on every wearer.
If the brief simply says “noticeable” or “natural,” I would not choose yet. Those words are too dependent on the wearer’s iris, the lens print, the pupil opening, lighting, camera processing, screen rendering, and personal expectations. I would ask for a more precise goal, review current product imagery, and discuss the exact product with the fitter. Yilala’s guide to enhancement tint versus opaque colored contacts explains the design terms, but neither term should be assigned to these two lenses without current product-specific evidence.
What I do not infer from the names or specifications
I do not infer opacity from “INYX” or “Olive.” I do not infer an undertone from Green or Blue beyond the named color family. I do not infer enlargement from overall diameter, fit from base curve, comfort from HEMA+NVP or 38% water, or a dark-eye result from a catalog photo. The pages do not publish controlled comparative testing that would let me make those claims.
This restraint matters because numbers can sound more decisive than they are. A listed 8.6 mm base curve is one product parameter, not a self-fitting tool. A 38% water figure is a material specification, not an individual comfort score. Matching fields across two models do not establish identical movement, centration, vision, wear response, or clinical suitability.
I also avoid reading customer reviews as clinical evidence. A review can describe one person’s experience, but it cannot establish what another wearer will see or feel. My role here is to make the catalog decision clearer without inventing a wear test, a fit assessment, or a universal result.
Prescription and fitting come before the styling choice
The FDA states that decorative contacts are medical devices and that all contact lenses, including non-corrective decorative lenses, must be prescribed by a doctor. A licensed eye care professional examines the eyes, measures for the lens, evaluates the fit and response, and writes a contact lens prescription. A glasses prescription alone is not permission to choose a contact lens power from a menu.
The FTC’s Contact Lens Rule also matters at the buying stage. It explains that sellers must receive a prescription or verify the prescription information with the prescriber before selling lenses. Brand, manufacturer, power, diameter when appropriate, and other lens-specific information are part of that process. I would keep model HC1421 and model HC1419 visible when discussing these products so that a color preference never blurs the exact identity of the lens.
For Yilala-specific background, the colored contacts buying guide, FDA compliance explainer, and quality and certifications page provide useful brand-side context. I still treat FDA, CDC, FTC, package labeling, and the prescribing professional as the controlling sources for US safety and prescription decisions.
Care rules I would apply to either option
Proper care is not a secondary detail. The CDC says contact lenses must be worn, cleaned, and stored as directed to reduce the risk of eye infection. I would wash and thoroughly dry my hands before handling a lens, use only the care products and method directed by the eye care professional and labeling, and use fresh solution rather than topping off old solution.
I would keep either lens away from water. That means removing contacts before showering, swimming, or using a hot tub. I would not use tap water, bottled water, distilled water, or saliva to rinse or store a lens. I would clean and replace the case on the prescribed schedule, keep the two lenses identified correctly, and never share them with another person.
I would remove the lens and contact an eye care professional promptly for pain, persistent redness, decreased or blurred vision, light sensitivity, swelling, discharge, or unusual irritation. I would not switch from INYX Green to Olive Blue as a test, use drops to hide a symptom, or reinsert a questionable lens to finish an event. The FDA warns that contact lens complications can become serious, and a wearer cannot reliably judge the severity alone.
My practical pre-order checklist
- Confirm the current prescription. Make sure it is a contact lens prescription and that the professional has approved the exact brand and model.
- Choose the color direction. Use INYX Green for a green-led brief or Olive Blue for a blue-led brief, without attaching unverified performance claims.
- Resolve the INYX diameter conflict. Check the exact SKU and package information because the page shows both 14.2 mm and 14.5 mm.
- Match every field. Review model, color, power for each eye, diameter, base curve, expiration, package integrity, and quantity against the prescription and order.
- Plan care before opening. Have the prescribed solution, a clean case if required, clean dry hands, and a clear opening-date record.
- Keep expectations specific. Treat product images as catalog references, not a guarantee of opacity, enlargement, undertone, comfort, or appearance on dark eyes.
If the prescribed model and color brief align, use the live INYX listing or Olive listing to review the current options. Before a date-sensitive order, also check Yilala’s shipping policy and returns policy. My call to action is fit first, verify the exact package, then choose Green or Blue for the visual job it needs to do.
My final verdict
INYX Green is my editorial shortlist for a clearly green-led brief. Olive Blue is my shortlist for a clearly blue-led brief. Their displayed material, base curve, water content, power range, and six-month-after-opening statement currently match, but their model numbers differ, and INYX has an unresolved 14.2 mm versus 14.5 mm diameter conflict on its own page.
I would not declare a winner for opacity, enlargement, undertone, fit, comfort, or dark-eye performance. The listings do not support those rankings. The responsible choice is the exact lens a professional prescribes and fits, followed by the color direction that suits the project. If the product identity or measurements remain uncertain, I would not order or open the lens until Yilala and the prescriber clarify them.
Frequently asked questions
1. What is the main difference between INYX Green and Olive Blue?
They are different color options in different series. INYX Green belongs to model HC1421, while Olive Blue belongs to model HC1419. I compare them first as a green catalog choice versus a blue catalog choice, not as a proven difference in fit or performance.
2. Do INYX Green and Olive Blue have the same specifications?
The pages currently share HEMA+NVP, an 8.6 mm base curve, 38% water, a displayed 0.00 to -4.50 power range, and six months after opening. The model numbers differ. Olive states 14.2 mm diameter, while INYX shows conflicting 14.2 mm and 14.5 mm values.
3. Which INYX Green diameter should I trust?
Do not guess. The purchase summary says 14.2 mm and the longer description says 14.5 mm. Verify the exact SKU, package or blister label, and current documentation with Yilala, then have the prescribing professional confirm the product before use.
4. Which one is more opaque or better for dark eyes?
The live pages do not provide controlled opacity data or standardized results across starting iris colors. I cannot support a winner. Review current product-specific evidence for style planning, but do not treat photos as a fit assessment or a promise of the final on-eye result.
5. Does the shared 8.6 mm base curve mean either lens will fit me?
No. A base curve is one lens parameter, not proof of fit. A licensed eye care professional must evaluate the exact lens on the eye and prescribe the appropriate brand, model, measurements, and power.
6. Can I buy 0.00 plano colored contacts without a prescription?
Not legally as an over-the-counter cosmetic product in the United States. FDA guidance says decorative contacts are medical devices and require a prescription even when they provide no vision correction.
7. Can I wear either pair continuously for six months?
No. Six months after opening is the product’s listed replacement timing, not a continuous-wear schedule. Follow the prescribed daily wearing time, cleaning and storage instructions, and any earlier replacement direction. Do not sleep, shower, or swim in them unless the exact use has been prescribed.
8. What should I do if a lens causes redness, pain, or blurry vision?
Remove it promptly and contact an eye care professional. Do not reinsert it, switch colors to test the eye, or keep wearing it for an event. Pain, persistent redness, reduced vision, light sensitivity, swelling, or discharge can require urgent assessment.