Approximate screen color · source authority unverified
Treat this hex as approximate until it is checked against a physical sample.
Protopasta
Red Opaque HT
PLA
Color values and print settings
- Hex
- #E72F1D
- RGB
- 231, 47, 29
- HSL
- 5°, 81%, 51%
- CIELAB
- 50.82, 67.59, 54.46
- Diameter
- 1.75 mm · 2.85 mm
- Nozzle
- 195–215 °C
- Bed
- 55–65 °C
Where to buy
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Protopasta’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.
Amazon
Opens a related Amazon listing for Steel Composite. Red Opaque HT has not been matched; check the available options there.
Closest alternatives from other spools
Ranked by how close each one looks to #E72F1D, measured perceptually. Useful when this color is out of stock or you print in a different material.
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