我要的是一个可以显示RGB的圆环而且还带滑块可以调节RGB

您可以使用Python的Tkinter库来创建一个GUI界面，并使用tkinter的Canvas来绘制圆环和tkinter的Scale组件来创建滑块。下面是一个简单的示例代码：

import tkinter as tk

class RGBSelector:
    def __init__(self, master):
        self.master = master
        self.canvas = tk.Canvas(self.master, width=300, height=300)
        self.canvas.pack()
        self.create_circle(150, 150, 100)
        self.create_sliders()

    def create_circle(self, x, y, r):
        self.canvas.create_oval(x-r, y-r, x+r, y+r, outline='black', width=2)

    def create_sliders(self):
        self.r_slider = tk.Scale(self.master, from_=0, to=255, orient=tk.HORIZONTAL, label='R', command=self.update_color)
        self.r_slider.pack()
        self.g_slider = tk.Scale(self.master, from_=0, to=255, orient=tk.HORIZONTAL, label='G', command=self.update_color)
        self.g_slider.pack()
        self.b_slider = tk.Scale(self.master, from_=0, to=255, orient=tk.HORIZONTAL, label='B', command=self.update_color)
        self.b_slider.pack()

    def update_color(self, event=None):
        r = self.r_slider.get()
        g = self.g_slider.get()
        b = self.b_slider.get()
        hex_color = "#{:02x}{:02x}{:02x}".format(r, g, b)
        self.canvas.delete('color')
        self.create_circle(150, 150, 100)
        self.canvas.create_arc(50, 50, 250, 250, start=0, extent=120, fill=hex_color, outline='', tags='color')
        self.canvas.create_arc(50, 50, 250, 250, start=120, extent=120, fill=hex_color, outline='', tags='color')
        self.canvas.create_arc(50, 50, 250, 250, start=240, extent=120, fill=hex_color, outline='', tags='color')

root = tk.Tk()
app = RGBSelector(root)
root.mainloop()

这个程序会创建一个窗口，其中包含一个圆环和三个滑块，分别用于调节红、绿、蓝三种颜色。当滑块的值发生变化时，圆环的颜色会相应地更新。请注意，这个程序只是一个示例，您可以根据自己的需求进行修改和扩展。