void tristan()
{ 
     pixels.setPixelColor(0, pixels.Color(0,25,0)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}

void ethan()
{
     pixels.setPixelColor(0, pixels.Color(30,18,0)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}
void valentin()
{
     pixels.setPixelColor(0, pixels.Color(25,0,12)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}

void two()
{
     pixels.setPixelColor(0, pixels.Color(0,20,0)); // Moderately bright green color.
     pixels.setPixelColor(1, pixels.Color(0,20,0)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}

void three()
{
     pixels.setPixelColor(0, pixels.Color(20,20,20)); // Moderately bright green color.
     pixels.setPixelColor(1, pixels.Color(20,20,20)); // Moderately bright green color.
     pixels.setPixelColor(2, pixels.Color(20,20,20)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}

void off_()
{
     pixels.setPixelColor(0, pixels.Color(0,0,0)); // Moderately bright green color.
     pixels.setPixelColor(1, pixels.Color(0,0,0)); // Moderately bright green color.
     pixels.setPixelColor(2, pixels.Color(0,0,0)); // Moderately bright green color.
     pixels.show(); // This sends the updated pixel color to the hardware.
     in_error=0;
}