Which Color LEDs should I use? - Better Automotive Lighting

LED Bulb replacements come in many styles, shapes and colors – it’s important to get the right ones!

When looking at replacing your stock automotive halogen/incandescent light bulbs with a new LED product it’s important to know the differences as to how the new light bulb will act in the housing you are going to place it in.

This infographic shows how LED bulbs produce light through a red lens.

For best results, the LED color should be the same as the lens color, and if the bulb is behind a clear lens, use the appropriate color for turn and brake light functions. As an example: a red lens will filter out all but the red portion of the light so if the light is all red, none or very little light will be blocked by the lens. The light from a white LED contains very little light in the red portion of the visible spectrum so most of the light would be filtered out by a red lens.

Brightness of LED Car Bulbs

Standard LED bulbs are generally not as bright as standard incandescent bulbs, they have many advantages over filament bulbs (longer life, faster on/off times, lower power consumption, more vivid colors) but brightness is not one of them. They are generally not as bright but some of them with large numbers of LED chips, will appear brighter than filament bulbs. As an exception, GTR Lighting TW6 LED car bulbs are as bright or brighter than most standard filament car bulbs. The light is distributed differently so they can appear brighter in some applications and not as bright in others, it depends on the size and shape of the bulb housing and reflector.

Most LED bulbs emit light like a flashlight, all out the end. Regular filament bulbs emit light from the end and all sides, so they will be better suited for some lighting applications than LED bulbs.

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