yoctocolors
Add colored output to command-line applications with the yoctocolors package.
About yoctocolors
yoctocolors is a package for adding colors to JavaScript command-line output. It offers foreground, background, underline and modifier styles such as bold and dim, handles nested colors, and provides basic color detection. Some styles such as italic and several underline variants are noted as not widely supported. Separate ESM and CommonJS installs are documented, with FORCE_COLOR and NO_COLOR variables for control.
Pricing is not clearly stated.
Key features
- Foreground colors including bright variants
- Background colors including bright variants
- Text modifiers such as bold, dim and strikethrough
- Separate underline colors for underlined text
- Nested color handling in output strings
- Color control via FORCE_COLOR and NO_COLOR variables
Best for: JavaScript command-line tools adding basic terminal colors.
Good for
- No dependencies
- Tree-shakeable
Watch out for
- Underline colors are only visible when an underline style is also applied
yoctocolors at a glance
- Category
- Development › Developer Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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