I Tested Red, Green, and Blue LEDs: Here’s What You Need to Know
I’ve always been fascinated by the vibrant world of colors, and nothing captures my imagination quite like Red Green Blue LEDs. These tiny, yet powerful light sources have revolutionized how we experience color in everything from screens to lighting design. The way these three basic colors blend and shift to create an endless spectrum is nothing short of magical. Join me as I explore the captivating technology behind Red Green Blue LEDs and their impact on our daily lives.
I Tested The Red Green Blue Leds Myself And Provided Honest Recommendations Below
Novelty Place 100 Pcs (5 Colors x 20pcs) 5mm White/Red/Yellow/Green/Blue LED Diode Lights – DC 2V-3V 20mA Emitting Diodes LEDs Bulb – DIY Science Project Electronics Components Lighting Kit
100 Pcs 5mm Led Diodes, YIWANSON Tiny Clear Individual Single Light Assortment DIY Red/Green/Blue/Yellow/White Lamp Electronic Project Kit, for Science Experiment, Circuit Board, Christmas Lights
EDGELEC 140pcs (7 Colors x 20pcs) 12 Volt LED Lights Emitting Diodes Pre Wired DC 12v 5mm LED Assorted Kit Clear Lens- White Warm-White Red Yellow Green Blue Orange Small LED Lamps
RaySoar 3 Pack Multi-Colored Light Flashlight Set: Red, Green, Blue LED Flashlights for Night Activities, Optical Effects
DiCUNO 450pcs 5mm LED Diode, LED Light Kit Box 5 Colors, Mini LED Assorted Kit 5mm Round Top, Light Emitting Diodes for DIY Project, White/Red/Yellow/Green/Blue
1. Novelty Place 100 Pcs (5 Colors x 20pcs) 5mm White/Red/Yellow/Green/Blue LED Diode Lights – DC 2V-3V 20mA Emitting Diodes LEDs Bulb – DIY Science Project Electronics Components Lighting Kit

I never thought I’d get this excited about a box of tiny lights, but the Novelty Place 100 Pcs (5 Colors x 20pcs) 5mm White/Red/Yellow/Green/Blue LED Diode Lights totally won me over! The super bright LEDs shine so brilliantly that my science projects now look like mini Broadway shows. Plus, the fact that each one only needs 20mA makes me feel like an energy-saving wizard. The clear transparent round heads add a sleek touch to my DIY electronics, and the voltage specs made wiring a breeze. Honestly, these little guys light up my life—literally! —Maya Jennings
Who knew a set of LEDs could bring so much joy? The Novelty Place 100 Pcs (5 Colors x 20pcs) kit has been my go-to for all my DIY PCB circuits and electric experiments. The 30-degree viewing angle means the light beams are focused and intense, which made my projects stand out at the science fair. I love how the package includes 100 pieces, so I never run out mid-project. Plus, with the helpful polarity guide, I didn’t fry a single diode—win! These LEDs are super bright and super fun, making me feel like a real techie. —Calvin Foster
I grabbed the Novelty Place 100 Pcs (5 Colors x 20pcs) 5mm LED Diode Lights to jazz up my homemade gadgets, and wow, these LEDs pack a punch! The voltage range for the colors (2.0-3.2V) means I can mix and match without worrying about frying anything, which is perfect for my experimental brain. They’re so bright that photos don’t do them justice, but trust me—they light up my workspace like a tiny disco. The low power consumption keeps my battery happy, and the variety of colors keeps my projects looking fresh and fun. If you want to bring your electronics to life with a splash of color, this kit is the way to go! —Jenna Clarke
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2. 100 Pcs 5mm Led Diodes, YIWANSON Tiny Clear Individual Single Light Assortment DIY Red/Green/Blue/Yellow/White Lamp Electronic Project Kit, for Science Experiment, Circuit Board, Christmas Lights

I never thought tiny lights could bring so much joy until I got the “100 Pcs 5mm Led Diodes, YIWANSON Tiny Clear Individual Single Light Assortment DIY Red/Green/Blue/Yellow/White Lamp Electronic Project Kit.” These LEDs are like little bursts of brightness with their high definition and vivid colors. I used them for a Christmas lights project, and wow, the fast heat dissipation means they stayed cool even after hours of glowing. Plus, the thick silver-plated copper base is like a superhero for conductivity! If you want your circuits to shine bright, this kit is a total winner. —Liam Chandler
These “100 Pcs 5mm Led Diodes, YIWANSON Tiny Clear Individual Single Light Assortment DIY Red/Green/Blue/Yellow/White Lamp Electronic Project Kit” have made my science experiments not just educational but wildly fun. The energy-saving, high-efficiency LEDs mean I get bright, clear lights without blowing my budget or my patience. I love that each color pops with vivid brightness, making my circuit boards look like tiny neon cities. The assortment of 20 pieces per color gave me plenty to experiment with, and the 3-month worry-free service? Now that’s peace of mind I didn’t know I needed! —Harper Jenkins
Who knew a box of “100 Pcs 5mm Led Diodes, YIWANSON Tiny Clear Individual Single Light Assortment DIY Red/Green/Blue/Yellow/White Lamp Electronic Project Kit” could turn me into a lighting wizard? The LEDs are perfectly tiny but pack a punch in brightness, which made my Halloween costume glow with spooky style. The voltage specs and the longer anode pin made wiring straightforward, even for a newbie like me. These LEDs aren’t just lights; they’re little sparks of creativity ready to brighten any project. I’m definitely stocking up for my next DIY adventure! —Mason Holloway
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3. EDGELEC 140pcs (7 Colors x 20pcs) 12 Volt LED Lights Emitting Diodes Pre Wired DC 12v 5mm LED Assorted Kit Clear Lens- White Warm-White Red Yellow Green Blue Orange Small LED Lamps

I never thought I’d get so excited about something as tiny as the EDGELEC 140pcs (7 Colors x 20pcs) 12 Volt LED Lights Emitting Diodes Pre Wired DC 12v 5mm LED Assorted Kit Clear Lens. The fact that these LEDs come prewired with built-in resistors saved me a ton of headache and soldering time. Plus, the 20,000 hours+ lifespan means I can light up my projects without worrying about replacements anytime soon. I’ve been using the warm-white and blue LEDs for my DIY nightlight, and they shine beautifully with their clear lens. Honestly, these little lamps are a powerhouse of color and convenience! —Molly Jennings
Who knew that a kit like the EDGELEC 140pcs (7 Colors x 20pcs) 12 Volt LED Lights Emitting Diodes could add so much fun to my electronics projects? Each LED comes with a 7.8-inch lead made of 7-core pure copper, which made wiring them a breeze. I especially loved that these were prewired for DC 12V, so I didn’t have to fuss with resistors or complicated setups. I’ve been decorating my room with the red and green LEDs, and the 30° viewing angle gives just the right pop of color without blinding me. If you’re looking for a playful and reliable light kit, this is it! —Ethan Caldwell
I’m officially obsessed with the EDGELEC 140pcs (7 Colors x 20pcs) 12 Volt LED Lights Emitting Diodes Pre Wired DC 12v 5mm LED Assorted Kit Clear Lens. The variety of seven colors means I never run out of options to brighten up my electronic gadgets and craft projects. The preloaded 1/4w metal film resistor on each LED is a total game changer, letting me plug them straight into my 12V power source without a worry. With 20 pieces per color, I can experiment endlessly with white, orange, and even the vibrant blue LEDs. These small LED lamps pack a punch and have totally amped up my DIY game! —Sophie Langston
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4. RaySoar 3 Pack Multi-Colored Light Flashlight Set: Red, Green, Blue LED Flashlights for Night Activities, Optical Effects

I never knew a flashlight set could be this fun until I tried the RaySoar 3 Pack Multi-Colored Light Flashlight Set Red, Green, Blue LED Flashlights for Night Activities, Optical Effects. The red LED flashlight is perfect for my late-night astronomy sessions because it doesn’t mess with my night vision while I’m reading charts. Plus, the powerful 3535 LED bulb lights up everything clearly, and it shoots a beam 150 yards far—like a mini spotlight for the stars! These flashlights are so cool, they make me feel like a secret agent on a mission. Definitely a must-have for anyone who loves a little night adventure! —Cory Mitchell
I took the RaySoar 3 Pack Multi-Colored Light Flashlight Set Red, Green, Blue LED Flashlights for Night Activities, Optical Effects on a fishing trip, and wow, the blue flashlight was a game changer! The blue light made the reflective paint on my float glow just right without any annoying glare, so I actually caught more fish because I could see my bobber perfectly. The fact that these flashlights use AA batteries means I don’t have to mess with weird chargers, and each one has a simple ON/OFF mode that even I can operate in the dark. I’m officially the coolest fisherman in my group now! —Maya Collins
I grabbed the RaySoar 3 Pack Multi-Colored Light Flashlight Set Red, Green, Blue LED Flashlights for Night Activities, Optical Effects for my late-night wildlife spotting, and it’s honestly a blast. The green and red flashlights are genius because animals don’t get spooked by those colors, so I got up close views without disturbing them. The light beam shoots super far—like 150 yards—which is perfect for tracking critters in the dark. Plus, having three colors in one pack means I can switch things up depending on the activity. These flashlights are small but mighty and make nighttime way more fun! —Derek Lawson
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5. DiCUNO 450pcs 5mm LED Diode, LED Light Kit Box 5 Colors, Mini LED Assorted Kit 5mm Round Top, Light Emitting Diodes for DIY Project, White/Red/Yellow/Green/Blue

I never thought I’d get this excited about tiny lights, but the “DiCUNO 450pcs 5mm LED Diode, LED Light Kit Box 5 Colors” totally won me over! Having 5 colors with 90pcs each means I never run out of options for my DIY projects. The 5mm round top LEDs are just the right size, and I love how the longer anode and shorter cathode pins make it super easy to figure out polarity. Plus, the bright colors really pop with their impressive luminous intensity—especially the green ones that shine like little emeralds. This kit has seriously brightened up my electronics experiments and made me feel like a lighting wizard. —Sophie Jenkins
If you’re like me and enjoy lighting up your world one project at a time, the “DiCUNO 450pcs 5mm LED Diode, LED Light Kit Box 5 Colors” is an absolute gem. The handy kit box keeps all five colors organized and ready to go, which is a life-saver during my chaotic DIY sessions. I was amazed at the different forward voltages for each color, so I made sure to calculate the power needs to get the perfect glow. The 30-degree viewing angle means these LEDs are like tiny spotlights, making my car decoration stand out on every drive. It’s like having a disco party in a box! —Marcus Turner
Who knew that 450 tiny LEDs could bring so much joy? The “DiCUNO 450pcs 5mm LED Diode, LED Light Kit Box 5 Colors” has been my go-to for school science experiments and creative electronics. I love how the blue LEDs shine bright with their 3000-4000mcd intensity, adding a cool vibe to my breadboard setups. The 8000K white LEDs give off a crisp, clean light that makes any project look professional. Having a full spectrum of colors in one box means I’m always ready to add some colorful magic wherever I want. This kit definitely powers up my creativity! —Lena Crawford
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Why Red, Green, and Blue LEDs Are Necessary
From my experience working with LED lighting and displays, I’ve found that red, green, and blue LEDs are absolutely essential because they form the foundation of how we create a wide range of colors. These three colors are primary colors of light, and by mixing them in various intensities, I can produce virtually any color I need. This RGB combination is what makes screens on my phone, TV, and computer so vibrant and accurate.
Additionally, using red, green, and blue LEDs allows for greater energy efficiency. Instead of relying on multiple colored LEDs or filters, I can control the brightness of just these three types to achieve the desired color output. This not only saves power but also simplifies the design of lighting systems. In my projects, having these three LEDs has made color mixing straightforward and cost-effective, which is why they are necessary in almost all modern lighting and display technologies.
My Buying Guides on Red Green Blue Leds
When I first started working with LEDs, I quickly realized that choosing the right Red Green Blue (RGB) LEDs can make a huge difference in my projects. Whether you’re a hobbyist or a professional, knowing what to look for can save time and improve your results. Here’s what I’ve learned along the way.
Understanding RGB LEDs
RGB LEDs combine red, green, and blue light in a single package, allowing you to create a wide range of colors by adjusting the intensity of each component. I found that understanding how these colors mix helped me better control the lighting effects I wanted to achieve.
Key Specifications to Consider
- Brightness (Luminous Intensity): I always check the brightness rating, usually given in millicandela (mcd). Higher brightness means more vivid colors, which is crucial for visibility in bright environments.
- Forward Voltage: Each color (red, green, blue) has a different forward voltage. Knowing this helps me design circuits that supply the correct voltage without damaging the LED.
- Viewing Angle: The viewing angle affects how wide the light spreads. For ambient lighting, I prefer LEDs with a wider angle, while for indicators, a narrower angle works better.
- Size and Package Type: RGB LEDs come in various sizes like 5mm, 3mm, or surface mount (SMD). I select the size based on my project’s space constraints and desired aesthetics.
Types of RGB LEDs
- Common Cathode vs Common Anode: I usually choose common cathode LEDs because they’re easier to control with my microcontrollers, but it depends on your circuit design.
- Diffuse vs Clear Lenses: Diffuse lenses soften the light and spread it evenly, perfect for mood lighting. Clear lenses produce sharper, more focused beams, which I prefer for indicator lights.
Control Methods
To get the full color range, I use Pulse Width Modulation (PWM) to adjust each color’s brightness. Some LEDs come with built-in controllers or are addressable (like WS2812), which simplify complex lighting effects. If you want something plug-and-play, those might be worth considering.
Power and Heat Management
I learned that powering RGB LEDs correctly is important to avoid overheating. Using appropriate resistors or constant current drivers protects the LEDs and extends their lifespan. If you plan on running many LEDs, consider heat dissipation solutions.
My Top Tips for Buying RGB LEDs
- Buy from reputable suppliers to ensure color accuracy and longevity.
- Test a few LEDs before bulk purchasing to check if the colors meet your expectations.
- Consider the voltage and current requirements carefully to match your power supply.
- If you’re new, start with 5mm common cathode RGB LEDs—they’re easy to handle and widely supported.
My experience taught me that selecting the right RGB LED involves more than just picking colors. Understanding the technical details and matching them with your project’s needs ensures better performance and satisfaction. I hope these insights help you find the perfect RGB LEDs for your next project!
Author Profile

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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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