diff --git a/bitplane-thingie.p8 b/bitplane-thingie.p8
index 4e7d277..b72a662 100644
--- a/bitplane-thingie.p8
+++ b/bitplane-thingie.p8
@@ -31,8 +31,8 @@ function _init()
  -- reset color
  plane_mask = 0xff
  
- -- experimental additive palette 1
- pal({[0]=0,136,3,4,1,141,13,5,6,8,139,10,140,14,12,7}, 1)
+ -- see tab 5 for palettes
+ pal(palettes.additive,1)
 end
 
 function _update60()
@@ -196,6 +196,15 @@ end
 -- palette selection ui
  -- ...from a preset list
  -- ...freely
+-->8
+-- palettes
+
+palettes = {
+ classic = {[0] = 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15},
+ alt = {[0] = 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143},
+ additive = {[0]=0,136,3,4,1,141,13,5,6,8,139,10,140,14,12,7},
+ subtractive = {[0]=7,12,14,1,10,11,136,5,6,140,130,129,132,131,2,0},
+}
 __gfx__
 00000000500000005000000050000000500000005000000050000000500000005000000000000000000000000000000000000000000000000000000000000000
 00000000550000005500000055000000550000005500000055000000550000005500000000000000000000000000000000000000000000000000000000000000