Code for an LED Strip
Reference
Define the array of leds CRGB leds[NUM_LEDS];
Setup the led array (in setup) FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
Update the led colors FastLED.show();
Set the first led to red leds[0] = CRGB::Red;
Setting CRGB color CRGB(red, green, blue); // all parameters are 0-255
Setting CHSV color CHSV(hue, saturation, value); // all parameters are 0-255
CHSV Hues Red - 0 Orange - 32 Yellow - 64 Green - 96 Aqua - 128 Blue - 160 Purple - 192 Pink - 224