Works!
export LS_COLORS='di=07'
is clear.
0 = default colour 1 = bold 4 = underlined 5 = flashing text 6 = no change 7 = reverse field 8 = black 9 = strikethrough 10 - 29= no change 30 = light green 31 = red 32 = green 33 = orange 34 = blue 35 = purple 36 = cyan 37 = grey 38 = underline 39 = no change 40 = black background 41 = red background 42 = green background 43 = orange background 44 = blue background 45 = purple background 46 = cyan background 47 = grey background 90 = dark grey 91 = light red 92 = light green 93 = yellow 94 = light blue 95 = light purple 96 = turquoise 100 = dark grey background 101 = light red background 102 = light green background 103 = yellow background 104 = light blue background 105 = light purple background 106 = turquoise background