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Why Do Yellow LEDs Look Green?

Yellow LED fog light comparison - green tint vs true yellow

You ordered yellow LED fog lights to get that classic JDM look — but after installing them, they have a noticeable green tint. What went wrong? Here's why it happens and how to avoid it.

Yellow LED fog light comparison - green tint vs true yellow

Table of Contents

Why Yellow LEDs Look Green

Most white LEDs are actually a blue LED chip with a yellow phosphor coating — blue and yellow combine to produce white light. However, many "white" LEDs illuminate with a cool white color that has a hint of blue. To create yellow output, many manufacturers simply put a yellow lens over the outside of the bulb. The problem: whenever any hint of blue light passes through a yellow lens, the blue and yellow combine to produce a green-tinted color — not the true yellow you were looking for.

SLF LED Fog Light Bulbs H11 SLF installed on 2016 Subaru Crosstrek

The Solution: True Yellow LEDs

The SLF Yellow fog light bulb avoids this problem entirely. Instead of relying on a colored lens over a white/blue LED chip, the SLF uses dual three-chip automotive-grade high-power yellow LEDs for a true yellow output — no lens needed. The result is a pure, warm yellow with zero green tint.

The SLF also delivers an optically focused street-legal beam pattern with minimal glare for oncoming drivers. It features a metal-core PCB for optimal heat transfer and durability. Installation is 100% plug-and-play. Backed by a 3-year warranty.

Shop Yellow LED Fog Lights at Ess K Customs

Want true yellow LED fog lights with zero green tint? As an authorized Diode Dynamics dealer, Ess K Customs carries the SLF Yellow in all popular fog light bulb sizes with full manufacturer warranty. Contact us if you need help finding the right size for your vehicle.

Shop Yellow LED Fog Lights at Ess K Customs →