As character names:

U+025B LATIN SMALL LETTER OPEN E character (ɛ)

As raw characters:

ɛ

As a string of HTML entities:

ɛ

Decoder output:

Byte number 1 is decimal 201, hex 0xC9, octal \311, binary 11001001
This is the first byte of a 2 byte sequence.

Byte number 2 is decimal 155, hex 0x9B, octal \233, binary 10011011
This is continuation byte 1, expecting 0 more.

U+025B	LATIN SMALL LETTER OPEN E
	= epsilon
	* lower-mid front unrounded vowel
	* uppercase is 0190
	x (greek small letter epsilon - 03B5)
	x (cyrillic small letter reversed ze - 0511)