# How to add a selective glow effect that works with dark colors too?

**URL:** <https://discourse.threejs.org/t/how-to-add-a-selective-glow-effect-that-works-with-dark-colors-too/59303>\
**Category:** Questions\
**Tags:** selective-bloom, effect-composer, bloom, materials, shaders\
**Created:** [December 16, 2023, 6:44pm UTC](https://discourse.threejs.org/t/how-to-add-a-selective-glow-effect-that-works-with-dark-colors-too/59303 "2023-12-16T18:44:51Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![PavelBoytchev](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/pavelboytchev/32/38639_2.png) [@PavelBoytchev](https://discourse.threejs.org/u/PavelBoytchev)\
**Post date:** [December 16, 2023, 6:58pm UTC](https://discourse.threejs.org/t/how-to-add-a-selective-glow-effect-that-works-with-dark-colors-too/59303/2 "2023-12-16T18:58:48Z")

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If you are crazy enough, you could try:

- fake bloom effect (it may have any color, lighter or darker than the rest of the scene). An example of fakeness: [https://codepen.io/boytchev/full/ExdmvxE](https://codepen.io/boytchev/full/ExdmvxE)
- be negative – use the bloom on the inverted scene (so the dark object is bright and the bloom is bright), then again invert it (thus the bloom becomes dark).

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