My Yellow/Gold colour:
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Hud in action
<!--
Yellow / Gold
Contributed by M.A.R.S.H.A.L.L.
Friendlies: Green
Hostiles: Red
Notes: Colour only seems to effect hud and has no negative effects on anything else (interface brightness level 3 used)
-->
<MatrixRed> 1, 0.41, 0 </MatrixRed>
<MatrixGreen> 0, 1, 0 </MatrixGreen>
<MatrixBlue> 0, 0, 1 </MatrixBlue>

Hud in action

<!--
Yellow / Gold
Contributed by M.A.R.S.H.A.L.L.
Friendlies: Green
Hostiles: Red
Notes: Colour only seems to effect hud and has no negative effects on anything else (interface brightness level 3 used)
-->
<MatrixRed> 1, 0.41, 0 </MatrixRed>
<MatrixGreen> 0, 1, 0 </MatrixGreen>
<MatrixBlue> 0, 0, 1 </MatrixBlue>