BLUE IS A BOY COLOR; BLUEY AND HIS DAD ARE BOTH BLUE; BLUEY HAS A MASCULINE VOICE; BINGO AND CHILLI ARE ORANGE, SO IT MAKES SENSE FOR THE BOYS TO BE BLUE AND THE GIRLS TO BE ORANGE; BLUEY LOOKS A LOT LIKE A BOY; I HAD A TEACHER IN 6TH GRADE WHO THINKS THAT BLUEY IS A BOY