What are the RGB pins numbers on WiNo ?
Red : 23
Blue : 6
Green : 5
Here you have an interessant lesson about how tu use LEDs with Arduino : https://learn.adafruit.com/downloads/pdf/adafruit-arduino-lesson-3-rgb-leds.pdf
RED = 23
GREEN = 5
BLUE = 6
Pin number 5 put the green led on, pin 6 the blue one and pin 23 the red one. You can turn them on at the same time to get other colors.
Red is 23, Green is 5, Blue is 6