Adibuddha

The Adibuddha or Dhyani Buddha is a transcendendant buddha, incorporating absolute wisdom.

In general they are depicted in the double dorje (as seen in the Black Crown of the Karmapas), the five main forms/components of a stupa or the five prayer flags, well-known around the world as Tibetan flags. Double dorje:
red
yellow white green
blue
The first four are supported by two male and female bodhisattvas each. All have female consorts.
The complete system includes disturbing emotions that comprise the wisdoms, the mudras, thrones, eight animals each that hold the thrones, symbols, five skandhas etc..

Buddha Amitabha (red, lotus family, direction west, time > evening) stands for discriminating wisdom, Buddha Amoghasiddhi (green, Karma Family, direction north, time > night) stands for experience wisdom, Buddha Akshobya (blue, Diamond Family, direction east, time > morning) stands for mirror-like wisdom, Buddha Ratnasambhava (yellow, Jewel Family, direction south, time > noon) stands for equalizing wisdom, Buddha Vairocana (white, Buddha Family, all directions and times) stands for intuitive wisdom.