• Grimoire CSS Color Toolkit
  • Installation
  • Quick Start
  • Methods
  • Features

Grimoire CSS Color Toolkit

CSS Color Module Level 4 compliant color manipulation toolkit, strictly follows CSS specifications.

Installation

# CLI tool
cargo install grimoire_css_color_toolkit

# Library
cargo add grimoire_css_color_toolkit

Quick Start

Library:

use grimoire_css_color_toolkit_lib::Color;

let red = Color::try_from_str("red").unwrap();
let lighter = red.lighten(20.0);
let mixed = Color::mix(red, Color::try_from_str("blue").unwrap(), 50.0);
println!("{}", mixed.to_hex_string()); // "#800080"

CLI:

# CLI examples
grimoire_css_color_toolkit lighten "red" 20    # #ff6666
grimoire_css_color_toolkit mix "red" "blue" 50 # #800080
grimoire_css_color_toolkit to-hsl "#ff0000"    # 0 100 50

Methods

Method	Description
new	Create RGBA color from components
from-rgb	Create color from RGB values
from-hsl	Create color from HSL values
from-hwb	Create color from HWB values
from-hex	Parse hex color string
parse	Parse any CSS color string
red	Get red channel value
green	Get green channel value
blue	Get blue channel value
alpha	Get alpha channel value
opacity	Get opacity value (same as alpha)
to-hsl	Convert to HSL format
to-rgba	Convert to RGBA format
to-hex	Convert to hex format
to-named	Convert to named color if possible
grayscale	Convert to grayscale
complement	Get complement color
invert	Invert color
mix	Mix two colors
adjust-hue	Adjust hue by degrees
adjust-color	Adjust color properties by delta
change-color	Change color properties to absolute values
scale-color	Scale color properties by percentage
rgba	Set alpha channel
lighten	Increase lightness
darken	Decrease lightness
saturate	Increase saturation
desaturate	Decrease saturation
opacify	Increase opacity
fade-in	Increase opacity (alias for opacify)
transparentize	Decrease opacity
fade-out	Decrease opacity (alias for transparentize)

Supports all CSS color formats: hex (#ff0000), named (red), RGB (rgb(255,0,0)), HSL (hsl(0,100%,50%)), HWB (hwb(0 0% 0%))

Features

• CSS Color Module Level 4 compliant - Strictly follows CSS specifications
• 32 color manipulation functions - All standard CSS color operations
• Multiple formats - Hex, named colors, RGB, HSL, HWB support
• Dual interface - Both CLI tool and Rust library
• Fast & reliable - Written in Rust with comprehensive tests