Color

A color in the RGBA color space.

Constructors

Color(r,g,b,a)→Color
r
number
0
g
number
0
b
number
0
a
number
1
Color.fromHSVA(h,s,v,a)→Color

Constructs a color from HSVA color space components.

h
number

Hue

s
number

Saturation

v
number

Value

a
number

Alpha

Color.fromCSSString(cssString)→Color

Constructs a color from a CSS color string.

Hexadecimal, rba, rgba, and named CSS color keywords are supported.

See https://developer.mozilla.org/en-US/docs/Web/CSS/color_value

cssString
string

A CSS color string

Color.fromRGB8Number(value)→Color

Constructs a color from a bit-packed number in RGB8 format.

value
number

A bit-packed color value in RGB8 format.

Properties

.rnumber

The red component

.gnumber

The green component

.bnumber

The blue component

.anumber

The alpha (or opacity) component

Methods

.clone()→Color

Returns a copy of this color.

.equals(color)→boolean
color

Returns true if this color exactly equals color.

.set(r,g,b,a)→Colorchainable

Sets the RGBA components of this color.

r
number
g
number
b
number
a
number
.mix(c,t)→Colorchainable

Linearly interpolates this color to the color c by the mixing factor t.

c

The color to interpolate to

t
number

The mixing factor

.luminance()→number

Returns the relative luminance of this color for standard human vision.

.toCSSString()→string

Returns a CSS style string for this color.

If fully opaque, this will return a hexadecimal string with a # mark at the beginning.

If transparent, it will return a string in the form rgba(r, g, b, a).

.toCSSHexString()→string

Returns a CSS style string for this color in hexadecimal format with a # mark at the beginning.

The resulting string will represent an opaque RGB color. The alpha component of transparent colors will be ignored.

The returned string will be a valid CSS2 color.

.toCSSRGBAString()→string

Returns a CSS style string for this color in the form rgba(r, g, b, a).

.toRGB8Number()→number

Returns a bit-packed number in RGB8 format, also knows a "hex" color such as 0xffaabb.

.toHSVA()→number[]

Converts this color to the HSVA color space.

Returns an array of [hue, saturation, value, alpha].