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