Approximate screen color · source authority unverified

Treat this hex as approximate until it is checked against a physical sample.

GST3D

Silk Aluminium

PLA

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Color values and print settings

Hex: #999999
RGB: 153, 153, 153
HSL: 0°, 0%, 60%
CIELAB: 63.22, -0.00, 0.00
Diameter: 1.75 mm
Nozzle: 210–230 °C
Bed: 50–70 °C

Where to buy

GST3D’s own store hasn’t listed this colour since Sep 29, 2026. It may be out of stock until a restock. We check the store several times a day.

Closest alternatives from other spools

Ranked by how close each one looks to #999999, measured perceptually. Useful when this color is out of stock or you print in a different material.

Other colors in PLA

See everything close to #999999 →