255 in Hexadecimal
Decimal 255 equals 0xFF in hexadecimal.
Why this number matters: 255 is the maximum value of an unsigned byte (8 bits, 0xFF) and the highest value of each RGB color channel.
255 in all number bases
Decimal255
Hexadecimal0xFF
Binary1111 1111
Octal377
Try another value
Edit this value or switch its base. Your changes are calculated in your browser with exact integer arithmetic.
Input base:
Decimal
255Hex
0xFFBinary
0b11111111Octal
0o377How 255 converts from decimal to hexadecimal
Divide by 16 repeatedly and keep each remainder, then read the remainders from bottom to top:
255÷ 16 =15remainder15 → F
15÷ 16 =0remainder15 → F
Result (remainders bottom to top): FF
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