All grey classic (127,127)

------------------ data start marker
127,127, Grey scale min-max (can be reversed) optional + R,G,B, (tint)
0,255,255, Panels (R,G,B or #rrggbb)
0,0,0, RESERVED
186,198,211, Knob shadow (#bac6d3)
231,235,239, Knob highlight (#e7ebef)
51,51,51, Knob ring
0,197,255, Knob ring lit
61,61,61, Knob pointer default
225,75,75, Knob pointer changed
0,0,0, Slider track
0,170,0, Slider peg default
255,80,80, Slider peg changed
127,127,127, Keyboard slider backgrounds
63,127,255, Keyboard mod wheel fill
0,0,0, RESERVED
120,190,185, Link buttons
180,180,200, Inverse link buttons
63,145,255, Action buttons
160,160,140, Close button
220,0,0, Warning type button
250,150,90, Warning background patch
255,0,0, Warning text
0,0,255, Inverse warning text
255,255,255, General text background
0,0,0, General text
255,255,255, Inverse text
0,0,255, About window heading text
0,255,0, Midilearn activity indicator
191,255,255, Midilearn text background
0,0,255, Learnable text
0,0,255, Solo selected
0,180,180, Midi/Solo release
255,0,0, Midi ignored
0,109,191, Copy/Paste background
255,255,255, Copy/Paste text
255,255,255, Alert/Query background
0,0,255, Alert/Query mark (!?)
255,255,210, Tooltip background
180,180,180, Tooltip grid
50,50,50, Tooltip major grid
0,0,255, Tooltip curve
0,0,0, Tooltip text
150,150,150, Tooltip faint text
0,0,0, RESERVED
0,145,255, VU 1dB marker
63,218,255, VU 5dB marker
140,180,220, VU 10dB marker
63,182,255, VU level
255,255,0, VU rms
255,254,254, VU_text
255,0,0,VU overload
240,250,230, Filer favourites background
0,0,0, RESERVED
0,255,0, Bank/Instrument select lit
255,0,255, Bank/instrument rename lit
255,255,0, Bank/Instrument add/save lit
255,0,0, Bank/Instrument delete lit
0,0,255, Bank/Instrument swap lit
255,180,0, Bank import lit
180,240,255, Bank export lit
255,100,255, Current bank highlight
160,140,250, Instrument being swapped
0,0,255, Instrument original name
0,0,0, RESERVED
0,0,0, General graph background
40,120,190, Waveform graph grid
180,180,180, Resonance graph grid
30,70,255, Harmonics graph grid
0,255,0, Waveform graph line
0,255,0, Waveform spectrum harmonic
255,0,0, Formant graph line
255,0,0, Resonance graph line
0,0,225, Yoshimi instrument type
240,250,230, Instrument info background
253,246,230, Instrument background
127,127,127, AddVoice tab off
223,175,191, AddSynth background
159,223,143, External voice
143,191,223, External oscillator
175,207,223, SubSynth background
205,221,173, PadSynth background
245,245,245, Padsynth harmonics background
225,225,225, PadSynth profile equivalent background
180,180,180, Padsynth profile grid
90,90,90, Padsynth profile centre mark
90,120,250, PadSynth profile equivalent markers
0,0,0, RESERVED
180,210,240, PadSynth profile fill
0,0,120, PadSynth profile line
150,150,150, PadSynth profile line disabled
200,0,0, PadSynth spectrum harmonic
255,0,0, PadSynth apply changes
191,72,191, PadSynth building
0,160,160, PadSynth pending
255,255,0, PadSynth fading
150,150,150, PadSynth built
255,120,0, Pending button
0,0,0, RESERVED
255,255,0, Formant filter marker
150,150,0, Formant filter ghost marker
0,182,191, Dynfilter filter insert
0,70,150, EQ graph background
80,120,160, EQ background disabled
200,200,200, EQ graph grid
255,255,255, EQ graph major grid
255,255,0, EQ graph line
200,200,80, EQ graph line disabled
0,0,0, Effect preset
0,0,255, Effect preset changed
0,0,0, RESERVED
255,255,255, Envelope control point
0,255,255, Envelope control point selected
255,255,0, Envelope sustain line
255,255,255, Envelope line
255,0,0, Envelope line selected
=================== data end marker

Temporarily setting a theme all grey is
useful for testing contrast.
