What Are Pudding Keycaps? The Ultimate Guide to Upgrading Your RGB Setup

If you’ve ever scrolled through Instagram or TikTok and wondered how custom setups get that incredibly smooth, vibrant keyboard lighting, the secret is usually a simple upgrade.

What are Pudding Keycaps?

Simply put, they are custom mechanical keyboard keycaps designed to maximize RGB illumination. They feature a unique two-toned, dual-layer design:

The Solid Top: The upper surface is opaque (usually black or white) and features shine-through legends so you can easily read the keys in the dark.

The Translucent Base: The lower walls are made of a milky, semi-transparent plastic. This acts as a light diffuser, allowing your keyboard's LEDs to glow brilliantly from all sides—resembling a pudding dessert.

The Anatomy of a Pudding Keycap

To truly understand why keycaps pudding style have become so incredibly popular in the mechanical keyboard community, we need to look at how they are built. The magic lies entirely in their unique, two-part construction.

The Signature Dual-Layer Design

The defining characteristic of pudding keycaps is their striking split aesthetic. Unlike standard keycaps that are made from a single, solid piece of colored plastic, pudding keycaps are manufactured using a dual-layer injection molding process:

  • The Opaque Top (The "Topping"): The upper third of the keycap—where your fingers rest—is a solid color. While black and white pudding keycaps are the most classic and sought-after choices, the purpose of this solid layer is to provide a sharp contrast for the characters and give your keyboard a clean look when the lights are off.

  • The Translucent Base (The "Pudding"): The bottom two-thirds of the keycap walls are made of a frosted, milky-white plastic. Even on pure white pudding keycaps, this distinct frosted bottom layer looks exactly like a creamy dessert, which is exactly how they got their catchy name!

Maximizing Your RGB Lighting

If you are obsessed with RGB backlighting, the anatomy of a pudding keycap is engineered specifically for you. That translucent lower layer does something very important: it acts as a light diffuser.

  • Smooth, Glowing Halo Effect: Standard keycaps usually trap the LED light underneath. The frosted walls of a pudding keycap catch that light and spread it evenly in all directions. Instead of harsh LED hotspots, your entire keyboard is bathed in a smooth, vibrant, and continuous glow.

  • Shine-Through Legends: To complete the experience, the letters and symbols (legends) on the solid top layer are also transparent. This allows the RGB light to beam directly through the characters, making your keyboard incredibly easy to read during late-night gaming sessions.

Pudding Keycaps vs. Regular Keycaps: What’s the Difference?

If your current keyboard already has RGB backlighting, you might be asking: are pudding keycaps good enough to justify replacing my stock RGB keycaps? The answer lies in how much you want your keyboard to glow.

While standard RGB keycaps are great for typing in the dark, pudding keycaps take the illumination to an entirely different level. Here is a quick breakdown of the main differences between pudding keycaps and regular RGB shine-through keycaps:

Feature Pudding RGB Keycaps Regular RGB Keycaps
Lighting Area Legends and translucent sidewalls. Mainly restricted to the legends.
RGB Intensity Massive light diffusion; much brighter and highly visible. Focused lighting; highlights the characters without overpowering.
Sidewall Design Translucent / Frosted. Usually solid and opaque.
Backlight Off (Daytime) Striking two-tone, layered aesthetic. Clean, uniform, and minimalist look.
Dynamic RGB Effects Sidewalls showcase rich, flowing color transitions beautifully. Effects are visible mainly through the letters and small gaps between keys.
Typing Feel Depends on material, texture, and keycap profile. Depends on material, texture, and keycap profile.
Best For... RGB enthusiasts and custom keyboard builders who want maximum glow. Users who prefer a sleek, minimalist look with subtle backlighting for typing.
Side-by-side comparison of regular RGB keycaps and pudding keycaps, showing illuminated legends and translucent sidewalls with enhanced RGB lighting effects.

Different Types of Pudding Keycaps

Pudding keycaps come in a variety of colors and translucent designs. The most common styles include white, black, colored, and Double Pudding variants. The primary difference between these types lies in their colorways and how they showcase your RGB lighting.

White, Black & Colored Pudding Keycaps

  • White Pudding Keycaps: Featuring an opaque white top paired with milky translucent side walls, this style offers a clean, bright, and minimalist aesthetic. It is the perfect match for lighter-colored keyboards and helps create soft, pastel RGB lighting effects.
  • Black Pudding Keycaps: The black top creates a striking, high-contrast look against the glowing base. Once the RGB backlight is turned on, the illumination pops dramatically, making it the go-to choice for dark-themed keyboards and esports gaming setups.
  • Colored Pudding Keycaps: Available in vibrant shades like blue, pink, and purple, these are ideal for highly personalized custom builds. Some variants even feature tinted translucent side walls, which will directly blend with and modify the hue of your keyboard's RGB lights.

Comparison of colored, black, and white pudding keycaps with translucent sidewalls, showing different RGB lighting effects on mechanical keyboards.

Double Pudding Keycaps

The term Double Pudding Keycaps typically refers to pudding-style keycaps that feature a unique dual-layer aesthetic or additional translucent zones. However, it is worth noting that the exact definition can vary among different keyboard brands.

Compared to standard pudding keycaps, some Double Pudding variants incorporate extra shine-through elements—such as translucent top edges or borders—adding a richer, multi-dimensional visual layer to your desktop setup.

⚠️ Crucial Distinction: Double Pudding vs. Double-Shot Please note that Double Pudding is not the same as Double-Shot.

  • Double Pudding describes the visual aesthetic and the layout of the translucent structures.
  • Double-Shot (double-shot injection molding) is a manufacturing process where two pieces of plastic are molded together to ensure the legends (characters) are extremely durable and never fade.


How to Choose Pudding Keycaps

When choosing pudding keycaps, first check that the set fits your keyboard’s switch stems and layout, especially the spacebar, Shift, and Enter keys. Choose a profile you find comfortable, then compare materials: PBT generally resists surface shine better, while ABS tends to feel smoother. For RGB effects, look for evenly translucent sidewalls and confirm that the legends are shine-through if you want illuminated lettering. Finally, choose a color you like with the lighting both on and off.