# [Nibbles](http://golfscript.com/nibbles), <s>15</s> 14 bytes


    =%+.@o$2%`D-21~8fd905cff4e

[Attempt This Online!](https://ato.pxeger.com/run?1=m708LzMpKSe1eMGCpaUlaboWu2xVtfUc8lWMVBNcdI0M6yzSUiwNTJPT0kxSIQqg6hasSDLkSjfjSjGB8AE)

### Explanation

```
    @                         - input
   . o$                       - as codepoints
  +                           - sum
 %     2                      - modulo 2
=       %`D-21~8fd905cff4e    - index in compressed list ["light", "dark"]
```

-1 byte thanks to Dominic van Essen