[Home](./index.md) > [server](./server.md) > [ParticleEmitterOptions](./server.particleemitteroptions.md) > [colorStartVariance](./server.particleemitteroptions.colorstartvariance.md) ## ParticleEmitterOptions.colorStartVariance property The color variance of an emitted particle at the start of its lifetime. **Signature:** ```typescript colorStartVariance?: RgbColor; ```