Approximate screen color · source authority unverified
Treat this hex as approximate until it is checked against a physical sample.
Hatchbox
Gray Blue
PLA Basic · PLA
Color values and print settings
- Hex
- #637888
- RGB
- 99, 120, 136
- HSL
- 206°, 16%, 46%
- CIELAB
- 49.33, -3.77, -11.25
- Diameter
- 1.75 mm
Where to buy
This purchase link is an affiliate link, so Filament Select may earn a commission at no extra cost to you. As an Amazon Associate, Filament Select earns from qualifying purchases. Ranking is determined by color difference alone and is never influenced by commission. Full disclosure.
Amazon
UK · 1 kg · in stock
Check current priceBuy (affiliate link)
Closest alternatives from other spools
Ranked by how close each one looks to #637888, measured perceptually. Useful when this color is out of stock or you print in a different material.
Bambu Lab
Blue Grey
PLA Basic · PLA
Matching screen color100% matchΔE 0.6Bambu Lab
Blue Grey
PLA Basic · PLA
Matching screen color99% matchΔE 0.8add:north
Charcoal Blue
PETG Rigid X · PETG
Very close92% matchΔE 2.9eSUN
Solid Grey
PETG+HS · PETG
Very close91% matchΔE 3.2eSUN
Gray
PLA+
Very close89% matchΔE 3.6Spectrum
Stardust Blue
PETG Glitter · PETG
Very close87% matchΔE 3.8