She has White with Red borders with 9 gray blocks that have 3 shades of grey.
Personality
She's one off feeling like the odd one out. She likes to make crazy shapes for one thing such as fishing. She could be utilized in many ways like in her episode. She likes suggestions for crazy shapes from other numberblocks. and seems to be able to utilize a pencil to draw on her.
Fanart
Gabe Sotillo's original design of 19 is dark blue with green eyes, lips, and limbs. Additionally, That design is male.
TSRITW's design of 19 is yellow with triangular eyes.
Arifmetix's design of 19 is brown with purple oval eyes and a viking helmet with braids. She always hiccups while singing opera, making her 18+1 again.
ALARM BOB OMB's design of 19 is white with different types of blocks.
Gavin's design of 19 is male and has blue limbs. He has rectangle eyes.