The national flag of Kingdom of Thailand since September 2017; there are total of 3 colours:
Red represents the blood spilt to protect Thailand’s independence and often more simply described as representing the nation.
White represents the religion of Buddhism, the predominant religion of the nation
Blue represents the monarchy of the nation, which is recognised as the centre of Thai hearts.
Own work based on: https://www.nstda.or.th/th/nstda-knowledge/11557-thaiflag-color
Construction sheet of the flag of Thailand
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