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Where the colors come from

Each color in the library is a reading of a real swatch, or an estimate from a color code. These are the sources, with the licenses some of them come with.

Readings of real swatches

685 colors are readings of real swatches, taken with a colorimeter by FilamentColors.xyz and shared under CC BY 4.0. We turn each reading into the base color that matches it in the filament’s finish.

The makers’ own codes

653 colors are estimated from codes their makers publish: Bambu Studio’s color codes, Bambu Lab’s swatches, Prusa’s HueForge codes, Polymaker’s color sheet, SUNLU’s color codes and Elegoo’s swatch codes. We turn each code into a base color the same way.

The Open Filament Database

194 colors are estimated from its color codes for 3DJake and Creality filaments, at commit a52fb9db. We turn each code into a base color the same way. Its repository.

Its MIT license asks that this notice come with copies:

Copyright © 2025 OpenFilamentCollective

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

OpenPrintTag’s database

311 colors are estimated from its color codes for Duramic 3D and eSUN filaments, at commit 5e3ebef6. We turn each code into a base color the same way. Its repository.

Its MIT license asks that this notice come with copies:

Copyright 2025 PRUSA RESEARCH A.S.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.