Blue noise is a little like pink noise in that it changes proportionally ... either the mid-point of the white noise spectrum, or the background noise of the world -- as a power spectrum that's ...

Most people are familiar with white noise, that static sound of an air conditioner that lulls us to sleep by drowning out any background ... pink noise, or brown, or green, or blue.

Bulb selections include blue hyacinth, pink daffodils, purple crocus ... Tall spires of blue delphinium and purple foxglove ...

The transgender pride flag has five stripes with alternating colors – a single white stripe in the middle and alternating light blue and pink stripes above and below it. The blue and pink colors ...