Approximate screen color · source authority unverified
Treat this hex as approximate until it is checked against a physical sample.
Protopasta
Heartthrob Metallic Red HT
Silk PLA · PLA · silk
Color values and print settings
- Hex
- #8B3A3A
- RGB
- 139, 58, 58
- HSL
- 0°, 41%, 39%
- CIELAB
- 35.64, 34.54, 17.30
- Diameter
- 1.75 mm
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
Searches Amazon for Protopasta Heartthrob Metallic Red HT. This colour has not been matched to a listing.
Closest alternatives from other spools
Ranked by how close each one looks to #8B3A3A, measured perceptually. Useful when this color is out of stock or you print in a different material.
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PETG
Matching screen color100% matchΔE 0.0
Other colors in Silk PLA
- Double Espresso Metallic Brown HT
- Luke's Proton Purple HT
- Nebula Silver Multicolor HT
- Candy Apple Metallic Red HT
- Galactic Empire Metallic Purple HT
- Tom's Tangerine Orange Metallic Gold HT
- Cupid's Crush Metallic Pink HT
- Joel's Highfive Blue HT Metallic Blue
- Wonder Blue Rainbow Glitter HT
- Second to None Silver HT
- Cloverleaf Metallic Green HT
- Good as Gold HT