The colour band chips only aimed the mixer before; now they open the same
panel the eyedropper opens, seeded with the colour the chip is named after
(hexToRgb turns that readout back into the RGB bytes the picker stores).
A pick already on the photo keeps its spot — only a mixer with nowhere to
hang takes the middle of the frame.
The HSL column itself is untouched: 8 chips, the rule, IMAGE,
HUE/SAT/LUM, the readout and RESET all stay where they were.
3dtours
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