grass:
   char: '.'
   fg: [0,255,0]
   bg: [0,100,0]
   passable: true
   transparent: true
   prob: 10
sand:
   char: ','
   fg: [255,255,0]
   bg: [100,100,0]
   passable: true
   transparent: true
scrub:
   char: ','
   fg: [0,127,0]
   bg: [0,64,0]
   passable: true
   transparent: true
water:
   char: '~'
   fg: [128,128,255]
   bg: [64,64,128]
   transparent: true
   prob: 5
brush:
   char: '#'
   fg: [0,122,0]
   bg: [0,64,0]
   passable: true
   prob: 0.5
tree:
   char: '#'
   fg: [0,244,0]
   bg: [0,122,0]
   prob: 0.1