[Home](./index.md) > [server](./server.md) > [ParticleEmitter](./server.particleemitter.md) > [colorIntensityStart](./server.particleemitter.colorintensitystart.md) ## ParticleEmitter.colorIntensityStart property The color intensity of an emitted particle at the start of its lifetime. **Signature:** ```typescript get colorIntensityStart(): number | undefined; ```