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# supports-color [](https://travis-ci.org/chalk/supports-color) > Detect whether a terminal supports color ## Install ``` $ npm install supports-color ``` ## Usage ```js const supportsColor = require('supports-color'); if (supportsColor.stdout) { console.log('Terminal stdout supports color'); } if (supportsColor.stdout.has256) { console.log('Terminal stdout supports 256 colors'); } if (supportsColor.stderr.has16m) { console.log('Terminal stderr supports 16 million colors (truecolor)'); } ``` ## API Returns an `Object` with a `stdout` and `stderr` property for testing either streams. Each property is an `Object`, or `false` if color is not supported. The `stdout`/`stderr` objects specifies a level of support for color through a `.level` property and a corresponding flag: - `.level = 1` and `.hasBasic = true`: Basic color support (16 colors) - `.level = 2` and `.has256 = true`: 256 color support - `.level = 3` and `.has16m = true`: Truecolor support (16 million colors) ## Info It obeys the `--color` and `--no-color` CLI flags. Can be overridden by the user with the flags `--color` and `--no-color`. For situations where using `--color` is not possible, add the environment variable `FORCE_COLOR=1` to forcefully enable color or `FORCE_COLOR=0` to forcefully disable. The use of `FORCE_COLOR` overrides all other color support checks. Explicit 256/Truecolor mode can be enabled using the `--color=256` and `--color=16m` flags, respectively. ## Related - [supports-color-cli](https://github.com/chalk/supports-color-cli) - CLI for this module - [chalk](https://github.com/chalk/chalk) - Terminal string styling done right ## Maintainers - [Sindre Sorhus](https://github.com/sindresorhus) - [Josh Junon](https://github.com/qix-) ## License MIT
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