color_wheel.py

# this should probably be using colorama..
class my_color(object):
    def __init__(self, first_color, second_color):
        self.first_color = first_color
        self.second_color = second_color
        self.primary_colors = ['blue', 'red', 'yellow']
        self.secondary_colors = ['green', 'purple', 'orange']
        self.tertiary_colors = ['amber', 'vermillion', 'magenta',
                                'violet', 'teal', 'chartreuse']

    def color_magic(self, first_color, second_color):
        if first_color == second_color:
            print('You want to mix {0} with itself? Wut?'.format(first_color))

        # blue, yellow = green
        elif all(x in [first_color, second_color] for x in self.primary_colors[0::2]):
            return self.secondary_colors[0]

        # blue, red = purple
        elif all(x in [first_color, second_color] for x in self.primary_colors[0:2:1]):
            return self.secondary_colors[1]

        # red, yellow = orange
        elif all(x in [first_color, second_color] for x in self.primary_colors[1:]):
            return self.secondary_colors[2]

valid = False
while not valid:
    first_color = input("Choose your first color (yellow/red/blue): ").lower().strip()
    if first_color in ['blue', 'red', 'yellow']:
        second_color = input("Choose your second color (yellow/red/blue): ").lower().strip()  
        if second_color in ['blue', 'red', 'yellow']:
            if first_color != second_color:
                valid = True

my_class = my_color(first_color, second_color)
combined_color = my_class.color_magic(first_color, second_color)
primary_text = {'blue': '\033[34m', 'red': '\033[31m', 'yellow': '\033[93m'}
combined_text = {'green': '\033[32m', 'orange': '\033[33m', 'purple': '\033[35m'}
reset_text = '\033[0m'

print('Combining {1}{2}{0} and {3}{4}{0} makes {5}{6}{0}!'.format(reset_text,
       primary_text[first_color], first_color, primary_text[second_color],
       second_color, combined_text[combined_color], combined_color))