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Match of Behr™ P420-5 Shamrock Green *

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Actual color may vary from on-screen representation. Please view a physical color swatch or material sample to confirm your color choice prior to purchase.

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A match of Behr P420-5 Shamrock Green reads as a medium green with a cool, slightly blue-leaning undertone. It has enough chroma to read clearly as green, but it is not overly bright or neon, so the color stays more controlled and balanced on coated parts and hardware.

MyPerfectColor custom spray paint matched to the selected brand color reference can carry this green onto smaller sprayable items such as vents, speaker grilles, switch plates, brackets, shelving, railings, mailboxes, shutter hardware, and decorative trim pieces. It is also a practical choice for PVC pipe, conduit covers, and outdoor fixtures when you need a repeatable color on removable parts or on pieces that were fabricated separately from the main surface.

Because this color sits in a mid-range depth, it usually shows its green character without needing to read as a bright accent. On darker plastics, bare metal, or unevenly prepared surfaces, it may take additional coats to build even coverage. Finish, primer, and film build can all change how clean or muted the color appears, and gloss will generally make surface texture and sheen differences more noticeable.

Similar colors:

T14-4 Edgewater
1B51-6 Turf
1A51-5 Jardin Green

Product Data

About BEHR Paint

BEHR is a dynamic company that actively embraces quality and innovation to bring the paint industry the very best products and services. Their bold entrepreneurial spirit and commitment to integrity and to doing the right thing has been the cornerstone of their success since 1947. BEHR enjoys great brand presence and a reputation for unparalleled quality, innovation, value and performance. People know and love the BEHR brand.

Matching BEHR Paint Colors

MyPerfectColor is able match all of the BEHR paint colors so you can find and enjoy the colors you love. MyPerfectColor uses its expert capabilities to recreate the original BEHR color by matching the original BEHR color books and swatches. MyPerfectColor is not using BEHR paint.

The colors shown on this website are computer video simulations of the BEHR Color and may not match BEHR Color standards. Refer to BEHR Publications to obtain the accurate color. Please know that MyPerfectColor is matching the original BEHR color. If you intend to touch up paint that has been on your walls for years, know that your color has undoubtedly changed from the original due to exposure to light and age and the new paint may not match. You will achieve best results by re-coating the entire surface.

If you need more assistance, please feel free to contact us and one of our expert staff would be happy to help.

Frequently Asked Questions About Match of Behr™ P420-5 Shamrock Green *

How much MyPerfectColor paint matched to Behr P420-5 Shamrock Green do I need for my project?

Plan by the size and type of surface, not just by the color name. A typical can of spray paint covers about 20 square feet with one coat, while other MyPerfectColor paint formats typically cover about 400 to 600 square feet depending on the product and surface.

Coverage changes with texture, porosity, hiding power, application method, and how many coats you need. Rough or dark surfaces often need more material, so measure the area first and allow extra for a second coat and a little waste from test spraying or edge loss.

What should I confirm before ordering Behr P420-5 Shamrock Green as a MyPerfectColor match?

Before ordering a custom match of Behr P420-5 Shamrock Green, confirm the exact brand color reference, the MyPerfectColor product format, the sheen, and the quantity you need. MyPerfectColor is making its own paint matched to the selected brand color reference, not selling the original brand paint.

Custom-made color matches are not returnable or refundable, so it is important to verify those details before you place the order. This is especially important if the new coating will sit next to an existing painted surface, because sheen and surface condition can affect how the finished item looks.

How long does MyPerfectColor spray paint matched to Behr P420-5 Shamrock Green take to dry and recoat?

For MyPerfectColor custom spray paint matched to Behr P420-5 Shamrock Green, dry to touch is usually within minutes. Recoat after about 1 to 2 hours, and allow about 2 weeks for full cure.

Dry to touch does not mean ready for hard handling. If the part will be stacked, wrapped, installed, or put into service quickly, plan for the cure time so you do not mar the finish between coats or before the coating has fully hardened.

Which sheen should I choose for Behr P420-5 Shamrock Green in MyPerfectColor paint?

The sheen you choose for Behr P420-5 Shamrock Green affects durability, cleanup, reflectivity, and how the matched color reads on the finished item. Higher-gloss finishes are usually easier to clean and more reflective, while lower-sheen finishes reduce shine.

If you are matching a part that will be seen beside another coated surface, order the sheen intentionally. The same color formula can look different in different gloss levels, so the sheen is part of the ordering decision, not just a cosmetic detail.

Can I spray MyPerfectColor paint matched to Behr P420-5 Shamrock Green on plastic?

Yes, but test the actual plastic first. Plastics vary widely, and MyPerfectColor spray paint matched to Behr P420-5 Shamrock Green may need different prep on different materials. Cleaning the surface well and using the right primer can make a difference.

MyPerfectColor spray paint sticks well to most plastics, but for better adhesion on difficult or low-energy plastics, use the MyPerfectColor primer for Acrylic Enamel. A test spray on the real part is the safest way to confirm adhesion and appearance before you paint the full item.

How quickly will I receive my paint matched to Behr P420-5 Shamrock Green?
All paint is custom-made to order. While most orders ship within 48 hours, the lead-time for paint made to match Behr P420-5 Shamrock Green depends on the type of paint needed. Interior and exterior house paints usually ship within 1 to 3 business days, while custom spray paint typically takes 3-5 business days to ship. The transit time depends on your location and the shipping method you choose. If your need is immediate, select Expedited Production during checkout. Most expedited production orders ship within 24 hours on business days. Please contact MyPerfectColor if you are concerned about a specific deadline. We do our best to make sure you get your paint on time. Learn more about paint lead times at MyPerfectColor.
What are the RGB, HEX and LRV values for Behr P420-5 Shamrock Green?
The RGB values for Behr P420-5 Shamrock Green are 77, 167, 124 and the HEX code is #4DA77C. The LRV for Behr P420-5 Shamrock Green is 30.57. The LRV stands for Light Reflectance Value and measures the percentage of light that a color reflects. Learn more about Light Reflectance Values and using RGB and Hex codes for paint.
What paint type is used to make spray paint matched to Behr P420-5 Shamrock Green? And how many spray cans do I need?

MyPerfectColor uses an acrylic enamel which is a fast-drying durable coating suitable for interior or exterior use. MyPerfectColor custom spray paint matched to Behr P420-5 Shamrock Green enables you to conveniently achieve a professional spray-smooth finish in any color in any sheen. It sticks well to most surfaces including metal, plastics, powder-coatings, cabinets and primed or previously painted wood.

The MyPerfectColor 11oz spray will cover about 20 square feet per coat. Keep in mind that it is difficult to gauge spray paint need as the coverage is highly dependent on how it is applied. Learn more about how spray paint works at MyPerfectColor.

What is the Hue Angle and Chroma for Behr P420-5 Shamrock Green?
The Hue Angle for Behr P420-5 Shamrock Green is 159.56 and the chroma is 39.63. The Hue Angle represents the position of a color's hue around a color wheel. The Chromacity represents the intensity of a hue. Learn more about browsing colors by hue.
Does Behr paint color Behr P420-5 Shamrock Green need primer?
MyPerfectColor doesn't sell Behr paint, but it does match the Behr P420-5 Shamrock Green and all the other Behr colors in a wide variety of paint types. The need for primer depends on the specific paint and the substrate being painted. The top quality paints these days tend to be self-priming over most surfaces, while paint at the mid to lower grade quality levels will need a separate primer. Most special situations such as bleeding type woods or difficult to adhere surfaces like plastic will often need a specialty primer. Contact MyPerfectColor support if you have specific questions about the best paint to use for your project and whether you need a primer.
How can MyPerfectColor match the Behr P420-5 Shamrock Green?

MyPerfectColor has an original sample of the Behr P420-5 Shamrock Green in its color archive. This enables us to make paint and verify that it matches the original.

Please note that if your material is not new then the paint may not work for touch up as your material has aged and is likely different than it was when new. Learn more about our color matching accuracy. If you need a touch up application, send us a part and we can create a touch up solution precisely matching the current color and sheen of your specific materials.

Learn more about our color matching service.

How do I convert Behr P420-5 Shamrock Green to a different color from another paint company?

While we can provide Behr P420-5 Shamrock Green in paint, we don't provide any crossover information. We've found that every paint company offers its own unique selection of colors and rarely does a color have an exact equivalent in another brand.

However, under the color image on a color page there is a link that says "Explore Colors". Clicking this link displays colors with similar values and you can look for any colors from the brand you want.

Keep in mind that this just shows similar colors based on the color values we have stored in our database. It doesn't mean it is the same or give any approximation about how close the color is. You can play around with the Hue, Lightness and Chroma sliders to expand the selection.