Red LEDs are electron hogs. They will always be the first to glow and even prevent other LEDs from illuminating.     When designing your circuits be sure to isolate the red LEDs from other colors otherwise you’ll have a darkwad in the final design.   read more on LEDs at wikipedia

  Analog temperature sensor TMP36 from Adafruit for $2.00 USD.     I’m working on a new project implementing the TMP36 with the ATtiny45. Please stay tuned….