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Lip Gloss

Lip Gloss Title Treatment
Latest Release GoDoc Build Status

Style definitions for nice terminal layouts. Built with TUIs in mind.

Lip Gloss example

Lip Gloss takes an expressive, declarative approach to terminal rendering. Users familiar with CSS will feel at home with Lip Gloss.

import ""

var style = lipgloss.NewStyle().

    fmt.Println(style.Render("Hello, kitty."))


Lip Gloss supports the following color profiles:

ANSI 16 colors (4-bit)

lipgloss.Color("5")  // magenta
lipgloss.Color("9")  // red
lipgloss.Color("12") // light blue

ANSI 256 Colors (8-bit)

lipgloss.Color("86")  // aqua
lipgloss.Color("201") // hot pink
lipgloss.Color("202") // orange

True Color (24-bit)

lipgloss.Color("#0000FF") // good ol' 100% blue
lipgloss.Color("#04B575") // a green
lipgloss.Color("#3C3C3C") // a dark gray

The terminal's color profile will be automatically detected, and colors outside the gamut of the current palette will be automatically coerced to their closest available value.

Adaptive Colors

You can also specify color options for light and dark backgrounds:

lipgloss.AdaptiveColor{Light: "236", Dark: "248"}

The terminal's background color will automatically be detected and the appropriate color will be chosen at runtime.

Inline Formatting

Lip Gloss supports the usual ANSI text formatting options:

var style = lipgloss.NewStyle().

Block-Level Formatting

Lip Gloss also supports rules for block-level formatting:

// Padding
var style = lipgloss.NewStyle().

// Margins
var style = lipgloss.NewStyle().

There is also shorthand syntax for margins and padding, which follows the same format as CSS:

// 2 cells on all sides

// 2 cells on the top and bottom, 4 cells on the left and right
lipgloss.NewStyle().Margin(2, 4)

// 1 cell on the top, 4 cells on the sides, 2 cells on the bottom
lipgloss.NewStyle().Padding(1, 4, 2)

// Clockwise, starting from the top: 2 cells on the top, 4 on the right, 3 on
// the bottom, and 1 on the left
lipgloss.NewStyle().Margin(2, 4, 3, 1)

Aligning Text

You can align paragraphs of text to the left, right, or center.

var style = lipgloss.NewStyle().
    Align(lipgloss.Left).  // align it left
    Align(lipgloss.Right). // no wait, align it right
    Align(lipgloss.Center) // just kidding, align it in the center

Width and Height

Setting a minimim width and height is simple and straightforward.

var str = lipgloss.NewStyle().
    Render("What’s for lunch?")

Copying Styles

Just use Copy():

var style = lipgloss.NewStyle().Foreground(lipgloss.Color("219"))

var wildStyle = style.Copy().Blink(true)

Copy() performs a copy on the underlying data structure ensuring that you get a true, dereferenced copy of a style. Without copying it's possible to mutate styles.


Styles can inherit rules from other styles. When inheriting, only unset rules on the receiver are inherited.

var styleA = lipgloss.NewStyle().

// Only the background color will be inherited here, because the foreground
// color will have been already set:
var styleB = lipgloss.NewStyle().

Unsetting Rules

All rules can be unset:

var style = lipgloss.NewStyle().
    Bold(true).                        // make it bold
    UnsetBold().                       // jk don't make it bold
    Background(lipgloss.Color("227")). // yellow background
    UnsetBackground()                  // never mind

When a rule is unset, it won't be inherited or copied.

Enforcing Rules

Sometimes, such as when developing a component, you want to make sure style definitions respect their intended purpose in the UI. This is where Inline and MaxWidth, and MaxHeight come in:

// Force rendering onto a single line, ignoring margins, padding, and borders.
someStyle.Inline(true).Render("yadda yadda")

// Also limit rendering to five cells
someStyle.Inline(true).MaxWidth(5).Render("yadda yadda")

// Limit rendering to a 5x5 cell block
someStyle.MaxWidth(5).MaxHeight(5).Render("yadda yadda")


Generally, you just call the Render(string) method on a lipgloss.Style:

fmt.Println(lipgloss.NewStyle().Bold(true).Render("Hello, kitty."))

But you could also use the Stringer interface:

var style = lipgloss.NewStyle().String("你好,猫咪。").Bold(true)

fmt.Printf("%s\n", style)

Joining Paragraphs

There are also some utility functions for horizontally and vertically joining paragraphs of text.

// Horizontally join three paragraphs along their bottom edges
lipgloss.HorizontalJoin(lipgloss.Bottom, paragraphA, paragraphB, paragraphC)

// Vertically join two paragraphs along their center axes
lipgloss.VerticalJoin(lipgloss.Center, paragraphA, paragraphB)

// Horizontally join three paragraphs, with the shorter ones aligning 20%
// from the top of the tallest
lipgloss.HorizontalJoin(0.2, paragraphA, paragraphB, paragraphC)

Placing Text in Whitespace

Sometimes you simply want to place a block of text in whitespace.

// Center a paragraph horizontally in a space 80 cells wide. The height of
// the block returned will be as tall as the input paragraph.
block := lipgloss.PlaceHorizontal(80, lipgloss.Center, fancyStyledParagraph)

// Place a paragraph at the bottom of a space 30 cells tall. The width of
// the text block returned will be as wide as the input paragraph.
block := lipgloss.PlaceVertical(30, lipgloss.Bottom, fancyStyledParagraph)

// Place a paragraph in the bottom right corner of a 30x80 cell space.
block := lipgloss.Place(30, 80, lipgloss.Right, lipgloss.Bottom, fancyStyledParagraph)

You can also style the whitespace. For details, see the docs.

What about Bubble Tea?

Lip Gloss doesn’t replace Bubble Tea. Rather, it is an excellent Bubble Tea companion. It was designed to make assembling terminal user interface views as simple and fun as possible so that you can focus on building your application instead of concerning yourself with low-level layout details.

In simple terms, you can use Lip Gloss to help build your Bubble Tea views.

Under the Hood

Lip Gloss is built on the excellent Termenv and Reflow libraries which deal with color and ANSI-aware text operations, respectively. For many use cases Termenv and Reflow will be sufficient for your needs.

Rendering Markdown

For a more document-centric rendering solution with support for things like lists, tables, and syntax-highlighted code have a look at Glamour, the stylesheet-based Markdown renderer.



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