[Python Tkinter] ボタンの背景色や文字色を変更する方法

import tkinter as tk
root = tk.Tk()
button = tk.Button(root, text="クリック", bg="blue")
button.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
# 色の名前を使用
button1 = tk.Button(root, text="赤色のボタン", bg="red")
button1.pack()
# 16進数を使用
button2 = tk.Button(root, text="青色のボタン", bg="#0000FF")
button2.pack()
# RGB値を使用
button3 = tk.Button(root, text="緑色のボタン", bg="rgb(0, 255, 0)")
button3.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
button = tk.Button(root, text="クリック", fg="white", bg="blue")
button.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
# 色の名前を使用
button1 = tk.Button(root, text="黒色の文字", fg="black", bg="yellow")
button1.pack()
# 16進数を使用
button2 = tk.Button(root, text="白色の文字", fg="#FFFFFF", bg="blue")
button2.pack()
# RGB値を使用
button3 = tk.Button(root, text="赤色の文字", fg="rgb(255, 0, 0)", bg="gray")
button3.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
button = tk.Button(root, text="アクティブ時の色変更", bg="lightgray", activebackground="yellow")
button.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
button = tk.Button(root, text="アクティブ時の文字色変更", fg="black", bg="lightblue", activeforeground="red")
button.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
button = tk.Button(root, text="無効化時の文字色変更", fg="gray", bg="lightgray", state="disabled", disabledforeground="darkgray")
button.pack()
root.mainloop()

import tkinter as tk
def change_color():
    button.config(bg="green", fg="white")
root = tk.Tk()
button = tk.Button(root, text="クリックで色変更", bg="blue", fg="black", command=change_color)
button.pack()
root.mainloop()

import tkinter as tk
def on_enter(event):
    button.config(bg="yellow", fg="black")
def on_leave(event):
    button.config(bg="blue", fg="white")
root = tk.Tk()
button = tk.Button(root, text="マウスオーバーで色変更", bg="blue", fg="white")
button.pack()
button.bind("<Enter>", on_enter)
button.bind("<Leave>", on_leave)
root.mainloop()

import tkinter as tk
current_color = "blue"
def toggle_color():
    global current_color
    if current_color == "blue":
        button.config(bg="green", fg="white")
        current_color = "green"
    else:
        button.config(bg="blue", fg="black")
        current_color = "blue"
root = tk.Tk()
button = tk.Button(root, text="色を切り替える", bg="blue", fg="black", command=toggle_color)
button.pack()
root.mainloop()

import tkinter as tk
root = tk.Tk()
# ボタンをリストに格納
buttons = []
for i in range(3):
    button = tk.Button(root, text=f"ボタン {i+1}", bg="lightblue", fg="black")
    button.pack()
    buttons.append(button)
root.mainloop()

import tkinter as tk
root = tk.Tk()
# 異なる色を設定
button1 = tk.Button(root, text="赤色のボタン", bg="red", fg="white")
button1.pack()
button2 = tk.Button(root, text="緑色のボタン", bg="green", fg="black")
button2.pack()
button3 = tk.Button(root, text="青色のボタン", bg="blue", fg="white")
button3.pack()
root.mainloop()

import tkinter as tk
def change_all_colors():
    for button in buttons:
        button.config(bg="purple", fg="white")
root = tk.Tk()
# ボタンをリストに格納
buttons = []
for i in range(3):
    button = tk.Button(root, text=f"ボタン {i+1}", bg="lightblue", fg="black")
    button.pack()
    buttons.append(button)
# 全てのボタンの色を変更するボタン
change_button = tk.Button(root, text="全てのボタンの色を変更", command=change_all_colors)
change_button.pack()
root.mainloop()

import tkinter as tk
def toggle_theme():
    if root.option_get('theme', 'light') == 'light':
        root.config(bg="black")
        button.config(bg="gray", fg="white")
        root.option_add('*TButton*highlightBackground', 'black')
        root.option_add('theme', 'dark')
    else:
        root.config(bg="white")
        button.config(bg="lightgray", fg="black")
        root.option_add('*TButton*highlightBackground', 'white')
        root.option_add('theme', 'light')
root = tk.Tk()
root.title("テーマ切替")
button = tk.Button(root, text="テーマ切替", command=toggle_theme, bg="lightgray", fg="black")
button.pack()
root.mainloop()

import tkinter as tk
from tkinter import ttk
def change_color(event):
    selected_color = color_combobox.get()
    button.config(bg=selected_color)
root = tk.Tk()
root.title("色選択")
color_combobox = ttk.Combobox(root, values=["red", "green", "blue", "yellow", "orange"])
color_combobox.bind("<<ComboboxSelected>>", change_color)
color_combobox.pack()
button = tk.Button(root, text="色を変更", bg="lightgray", fg="black")
button.pack()
root.mainloop()

import tkinter as tk
def set_color(color):
    button.config(bg=color)
root = tk.Tk()
root.title("色プリセット")
# プリセットボタン
red_button = tk.Button(root, text="赤色", command=lambda: set_color("red"))
red_button.pack()
green_button = tk.Button(root, text="緑色", command=lambda: set_color("green"))
green_button.pack()
blue_button = tk.Button(root, text="青色", command=lambda: set_color("blue"))
blue_button.pack()
button = tk.Button(root, text="色を変更", bg="lightgray", fg="black")
button.pack()
root.mainloop()

import tkinter as tk
def gradient_color(start_color, end_color, steps, step):
    r1, g1, b1 = start_color
    r2, g2, b2 = end_color
    r = int(r1 + (r2 - r1) * step / steps)
    g = int(g1 + (g2 - g1) * step / steps)
    b = int(b1 + (b2 - b1) * step / steps)
    return f'#{r:02x}{g:02x}{b:02x}'
def animate_gradient(step=0):
    if step <= 100:
        color = gradient_color((0, 0, 255), (255, 0, 0), 100, step)
        button.config(bg=color)
        root.after(50, animate_gradient, step + 1)
root = tk.Tk()
button = tk.Button(root, text="グラデーション", command=lambda: animate_gradient())
button.pack()
root.mainloop()

import tkinter as tk
def fade_out(step=0):
    if step <= 100:
        color = f'#{255 - step * 2:02x}{255 - step * 2:02x}{255:02x}'  # 白からグレーに
        button.config(bg=color)
        root.after(50, fade_out, step + 1)
    else:
        fade_in()
def fade_in(step=0):
    if step <= 100:
        color = f'#{step * 2:02x}{step * 2:02x}{255:02x}'  # グレーから白に
        button.config(bg=color)
        root.after(50, fade_in, step + 1)
root = tk.Tk()
button = tk.Button(root, text="フェードイン・フェードアウト", command=fade_out)
button.pack()
root.mainloop()

import tkinter as tk
import random
def change_color():
    color = random.choice(["red", "green", "blue", "yellow", "orange"])
    button.config(bg=color)
    root.after(1000, change_color)  # 1秒ごとに色を変更
root = tk.Tk()
button = tk.Button(root, text="色を変更", bg="lightgray", fg="black")
button.pack()
change_color()  # 初回の色変更を呼び出す
root.mainloop()