On the Subject of Color Braille

This doesn’t feel right, but at least it looks good.

This module will show 30 colored dots. Each dot is in a color that is composed of a red, green, and blue component according to additive color mixing (see Appendix 1). Decompose the colors into their red, green and blue channels to obtain three words written in Unified English Braille (see Appendix 2).

However, one of the three words has been mangled in one of the following ways:

  • Each of the three rows of dots may have been shifted one dot to the left or right.
  • Each Braille letter may be upside-down (rotated 180°).
  • Each Braille letter may be horizontally flipped (mirrored).
  • Each Braille letter may be vertically flipped.
  • Each Braille dot may be inverted (dots are non-dots and non-dots are dots).

Identify which of the color channels contains the mangled word and the specific mangling applied. Then touch the dot in the position given by the following table (dots are numbered in reading order):

Mangled color channel →RedGreenBlue
↓ Mangling applied
Top row shifted to the right1916
Top row shifted to the left1753
Middle row shifted to the right42813
Middle row shifted to the left2621
Bottom row shifted to the right202515
Bottom row shifted to the left222330
Each letter upside-down11188
Each letter horizontally flipped102429
Each letter vertically flipped261419
Dots are inverted27712

Appendix 1: Additive color mixing

RedYellowMagentaWhiteGreenCyanBlueBlack

Appendix 2: Unified English Braille chart

a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
and
for
the
with
ar
bb
cc
ch
ea
ed
en
er
ff
gg
gh
in
ing
of
ou
ow
sh
st
th
wh