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🎨 Terminal color rendering tool library, support 8/16 colors, 256 colors, RGB color rendering output, compatible with Windows. CLI 控制台颜色渲染工具库, 拥有简洁的使用API,支持16色,256色,RGB色彩渲染输出,兼容并支持 Windows 环境的色彩渲染

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README.md

CLI Color

GitHub go.mod Go version Actions Status Codacy Badge GoDoc GitHub tag (latest SemVer) Build Status Coverage Status Go Report Card

A command-line color library with true color support, universal API methods and Windows support.

中文说明

Basic color preview:

basic-color

Now, 256 colors and RGB colors have also been supported to work in Windows CMD and PowerShell:

color-on-cmd-pwsh

Features

  • Simple to use, zero dependencies
  • Supports rich color output: 16-color, 256-color, true color (24-bit, RGB)
    • 16-color output is the most commonly used and most widely supported, working on any Windows version
    • Since v1.2.4 the 256-color, true color (24-bit) support windows CMD and PowerShell
    • See this gist for information on true color support
  • Generic API methods: Print, Printf, Println, Sprint, Sprintf
  • Supports HTML tag-style color rendering, such as <green>message</>. Support working on windows cmd powerShell
  • Basic colors: Bold, Black, White, Gray, Red, Green, Yellow, Blue, Magenta, Cyan
  • Additional styles: Info, Note, Light, Error, Danger, Notice, Success, Comment, Primary, Warning, Question, Secondary

GoDoc

Install

go get github.com/gookit/color

Quick start

package main

import (
	"fmt"

	"github.com/gookit/color"
)

func main() {
	// quick use like fmt.Print*
	color.Red.Println("Simple to use color")
	color.Green.Print("Simple to use color\n")
	color.Cyan.Printf("Simple to use %s\n", "color")
	color.Yellow.Printf("Simple to use %s\n", "color")

	// use like func
	red := color.FgRed.Render
	green := color.FgGreen.Render
	fmt.Printf("%s line %s library\n", red("Command"), green("color"))

	// custom color
	color.New(color.FgWhite, color.BgBlack).Println("custom color style")

	// can also:
	color.Style{color.FgCyan, color.OpBold}.Println("custom color style")

	// internal theme/style:
	color.Info.Tips("message")
	color.Info.Prompt("message")
	color.Info.Println("message")
	color.Warn.Println("message")
	color.Error.Println("message")

	// use style tag
	color.Print("<suc>he</><comment>llo</>, <cyan>wel</><red>come</>\n")

	// apply a style tag
	color.Tag("info").Println("info style text")

	// prompt message
	color.Info.Prompt("prompt style message")
	color.Warn.Prompt("prompt style message")

	// tips message
	color.Info.Tips("tips style message")
	color.Warn.Tips("tips style message")
}

Run demo: go run ./_examples/demo.go

colored-out

Custom Build Color

// Only use foreground color
color.FgCyan.Printf("Simple to use %s\n", "color")
// Only use background color
color.BgRed.Printf("Simple to use %s\n", "color")

// Full custom: foreground, background, option
myStyle := color.New(color.FgWhite, color.BgBlack, color.OpBold)
myStyle.Println("custom color style")

// can also:
color.Style{color.FgCyan, color.OpBold}.Println("custom color style")

custom set console settings:

// set console color
color.Set(color.FgCyan)

// print message
fmt.Print("message")

// reset console settings
color.Reset()

Basic Color

Supported on any Windows version.

  • color.Bold
  • color.Black
  • color.White
  • color.Gray
  • color.Red
  • color.Green
  • color.Yellow
  • color.Blue
  • color.Magenta
  • color.Cyan
color.Bold.Println("bold message")
color.Yellow.Println("yellow message")

Run demo: go run ./_examples/basiccolor.go

basic-color

Additional styles

Supported on any Windows version.

  • color.Info
  • color.Note
  • color.Warn
  • color.Light
  • color.Error
  • color.Danger
  • color.Debug
  • color.Notice
  • color.Success
  • color.Comment
  • color.Primary
  • color.Question
  • color.Secondary

Basic Style

print message use defined style:

color.Info.Println("Info message")
color.Note.Println("Note message")
color.Notice.Println("Notice message")
color.Error.Println("Error message")
color.Danger.Println("Danger message")
color.Warn.Println("Warn message")
color.Debug.Println("Debug message")
color.Primary.Println("Primary message")
color.Question.Println("Question message")
color.Secondary.Println("Secondary message")

Run demo: go run ./_examples/theme_basic.go

theme-basic

Tips Style

color.Info.Tips("Info tips message")
color.Note.Tips("Note tips message")
color.Notice.Tips("Notice tips message")
color.Error.Tips("Error tips message")
color.Danger.Tips("Danger tips message")
color.Warn.Tips("Warn tips message")
color.Debug.Tips("Debug tips message")
color.Primary.Tips("Primary tips message")
color.Question.Tips("Question tips message")
color.Secondary.Tips("Secondary tips message")

Run demo: go run ./_examples/theme_tips.go

theme-tips

Prompt Style

color.Info.Prompt("Info prompt message")
color.Note.Prompt("Note prompt message")
color.Notice.Prompt("Notice prompt message")
color.Error.Prompt("Error prompt message")
color.Danger.Prompt("Danger prompt message")
color.Warn.Prompt("Warn prompt message")
color.Debug.Prompt("Debug prompt message")
color.Primary.Prompt("Primary prompt message")
color.Question.Prompt("Question prompt message")
color.Secondary.Prompt("Secondary prompt message")

Run demo: go run ./_examples/theme_prompt.go

theme-prompt

Block Style

color.Info.Block("Info block message")
color.Note.Block("Note block message")
color.Notice.Block("Notice block message")
color.Error.Block("Error block message")
color.Danger.Block("Danger block message")
color.Warn.Block("Warn block message")
color.Debug.Block("Debug block message")
color.Primary.Block("Primary block message")
color.Question.Block("Question block message")
color.Secondary.Block("Secondary block message")

Run demo: go run ./_examples/theme_block.go

theme-block

HTML-like tag usage

Supported on Windows cmd.exe PowerShell .

// use style tag
color.Print("<suc>he</><comment>llo</>, <cyan>wel</><red>come</>")
color.Println("<suc>hello</>")
color.Println("<error>hello</>")
color.Println("<warning>hello</>")

// custom color attributes
color.Print("<fg=yellow;bg=black;op=underscore;>hello, welcome</>\n")
  • color.Tag
// set a style tag
color.Tag("info").Print("info style text")
color.Tag("info").Printf("%s style text", "info")
color.Tag("info").Println("info style text")

Run demo: go run ./_examples/colortag.go

color-tags

256-color usage

256 colors support Windows CMD, PowerShell environment after v1.2.4

Set the foreground or background color

  • color.C256(val uint8, isBg ...bool) Color256
c := color.C256(132) // fg color
c.Println("message")
c.Printf("format %s", "message")

c := color.C256(132, true) // bg color
c.Println("message")
c.Printf("format %s", "message")

Use a 256-color style

Can be used to set foreground and background colors at the same time.

  • color.S256(fgAndBg ...uint8) *Style256
s := color.S256(32, 203)
s.Println("message")
s.Printf("format %s", "message")

Run demo: go run ./_examples/color256.go

color-tags

Use RGB color

RGB colors support Windows CMD, PowerShell environment after v1.2.4

Preview:

Run demo: Run demo: go run ./_examples/color_rgb.go

color-rgb

example:

color.RGB(30, 144, 255).Println("message. use RGB number")

color.HEX("#1976D2").Println("blue-darken")
color.HEX("#D50000", true).Println("red-accent. use HEX style")

color.RGBStyleFromString("213,0,0").Println("red-accent. use RGB number")
color.HEXStyle("eee", "D50000").Println("deep-purple color")

Set the foreground or background color

  • color.RGB(r, g, b uint8, isBg ...bool) RGBColor
c := color.RGB(30,144,255) // fg color
c.Println("message")
c.Printf("format %s", "message")

c := color.RGB(30,144,255, true) // bg color
c.Println("message")
c.Printf("format %s", "message")

Create a style from an hexadecimal color string:

  • color.HEX(hex string, isBg ...bool) RGBColor
c := color.HEX("ccc") // can also: "cccccc" "#cccccc"
c.Println("message")
c.Printf("format %s", "message")

c = color.HEX("aabbcc", true) // as bg color
c.Println("message")
c.Printf("format %s", "message")

Use an RGB color style

Can be used to set the foreground and background colors at the same time.

  • color.NewRGBStyle(fg RGBColor, bg ...RGBColor) *RGBStyle
s := color.NewRGBStyle(RGB(20, 144, 234), RGB(234, 78, 23))
s.Println("message")
s.Printf("format %s", "message")

Create a style from an hexadecimal color string:

  • color.HEXStyle(fg string, bg ...string) *RGBStyle
s := color.HEXStyle("11aa23", "eee")
s.Println("message")
s.Printf("format %s", "message")

Func refer

there are some useful functions reference

  • Disable() disable color render
  • SetOutput(io.Writer) custom set the colored text output writer
  • ForceOpenColor() force open color render
  • ClearCode(str string) string Use for clear color codes
  • ClearTag(s string) string clear all color html-tag for a string
  • IsConsole(w io.Writer) Determine whether w is one of stderr, stdout, stdin
  • HexToRgb(hex string) (rgb []int) Convert hex color string to RGB numbers
  • RgbToHex(rgb []int) string Convert RGB to hex code

Gookit packages

  • gookit/ini Go config management, use INI files
  • gookit/rux Simple and fast request router for golang HTTP
  • gookit/gcli build CLI application, tool library, running CLI commands
  • gookit/event Lightweight event manager and dispatcher implements by Go
  • gookit/cache Generic cache use and cache manager for golang. support File, Memory, Redis, Memcached.
  • gookit/config Go config management. support JSON, YAML, TOML, INI, HCL, ENV and Flags
  • gookit/color A command-line color library with true color support, universal API methods and Windows support
  • gookit/filter Provide filtering, sanitizing, and conversion of golang data
  • gookit/validate Use for data validation and filtering. support Map, Struct, Form data
  • gookit/goutil Some utils for the Go: string, array/slice, map, format, cli, env, filesystem, test and more
  • More please see https://github.com/gookit

See also

License

MIT

About

🎨 Terminal color rendering tool library, support 8/16 colors, 256 colors, RGB color rendering output, compatible with Windows. CLI 控制台颜色渲染工具库, 拥有简洁的使用API,支持16色,256色,RGB色彩渲染输出,兼容并支持 Windows 环境的色彩渲染

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