APDS9999 NeoPixel RGB Color Test
================================
NeoPixel ring on D6 (16 pixels)

APDS9999 found!

--- Test A: RED Detection ---
R=1299 G=358 B=59
R highest? PASS

--- Test B: GREEN Detection ---
R=214 G=1697 B=388
G highest? PASS

--- Test C: BLUE Detection ---
R=204 G=553 B=2628
B highest? PASS

--- Test D: WHITE vs OFF ---
WHITE: R=1400 G=2225 B=2891
OFF:   R=132 G=163 B=47
All channels higher with WHITE? PASS

================================
TEST SUMMARY:
Test A (RED):      PASS
Test B (GREEN):    PASS
Test C (BLUE):     PASS
Test D (WHITE/OFF):PASS
================================
OVERALL: PASS

Test complete. NeoPixels off.
