diff --git a/main.c b/main.c
index 586a7a4..e254940 100644
--- a/main.c
+++ b/main.c
@@ -159,6 +159,19 @@ void led_blue(uint16_t bightness)
 	TIM2->CCR1L.reg = (bightness >> 0); // set duty cycle
 }
 
+void led_rgb(uint8_t* rgb)
+{
+	if (NULL == rgb) {
+		return;
+	}
+	led_red(rgb[0] << 8);
+	led_green(rgb[1] << 8);
+	led_blue(rgb[2] << 8);
+	// no idea why, but if I don't do it a second time the blue is a bit on when switched off
+	// it is not about the register order or preload
+	led_blue(rgb[2] << 8);
+}
+
 // configure timer to capture IR NEC codes
 static void timer_ir_in(void)
 {