Yellow with two diagonal bands: white (top band, double-width) and black (starting from the upper hoist side). The national emblem is superimposed in red at the flag's centre.
The emblem includes the following components:
• Swallow-tailed flag, representing Royalty
• The Royal umbrella
• Winged column, symbolizing the protection of justice, tranquillity, prosperity and peace
• Two upraised hands, signifying the Government's pledge to promote welfare, peace and prosperity
• An upturned crescent, symbol of Islam, the national religion of Brunei
• Embodied within the crescent in yellow Arabic script is the nation's motto, which can be roughly translated: Always in Service by God's Guidance
• A scroll beneath the crest with Arabic script reading "Brunei Darussalam" or "Brunei, the Abode of Peace"