TCS3472 Color Sensor with IR filter
$9.95
This Red, Green, Blue (RGB), and Clear Light Sensing with IR Blocking Filter is designed for use with the ODROID-GO Game Kit, and can be used for product color verification and sorting, light color temperature measurement, and ambient light sensing.
Links:
Hardkernel Wiki - Color Detector Project: https://wiki.odroid.com/odroid_go/arduino/36_colorview