kivy sample color code

from kivy.app import App
from kivy.lang import Builder
from kivy.factory import Factory
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.uix.button import Button
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.tabbedpanel import TabbedPanel

Builder.load_string('''
#:kivy 1.8.0

<RootWidget>:
    cols: 1

    Label:
        text: "[b]Kivy wallet[/b]"
        markup: True
        font_size: 18

    BoxLayout:

        Label:
            text: "Wallet name: "
            size_hint_x: 0.3
            font_size: 16

        Label:
            text: root.walletname
            size_hint_x: 0.7
            color: 0,1,1
            font_size: 14

    BoxLayout:

        Label:
            text: "Wallet address: "
            size_hint_x: 0.3
            font_size: 16

        Label:
            text: root.address
            size_hint_x: 0.7
            color: 0,1,1
            font_size: 10

    BoxLayout:

        Label:
            text: "Balance: "
            size_hint_x: 0.3
            font_size: 16

        Label:
            text: root.balance
            size_hint_x: 0.7
            markup: True
            color: 0,1,1
            font_size: 10

    BoxLayout:

        Label:
            text: "Unlocked balance: "
            size_hint_x: 0.3
            font_size: 16

        Label:
            text: root.unlockedbalance
            size_hint_x: 0.7
            markup: True
            color: 0,1,1
            font_size: 10
''')

class RootWidget(GridLayout):
    walletname, address = "uninitialized", "uninitialized"
    balance, unlockedbalance = "uninitialized", "uninitialized"
    pass


class WalletApp(App):
    def build(self):
        return RootWidget()


if __name__ == '__main__':
    WalletApp().run()