Class Color

constructor

• new Color(r?: number, g?: number, b?: number, a?: number): Color

  Creates a new Color.

  Parameters

  • r: number = 0

    Red component (0-1).

  • g: number = 0

    Green component (0-1).

  • b: number = 0

    Blue component (0-1).

  • a: number = 1.0

    Alpha component (0-1).

  Returns Color

a

b

g

r

Static ReadonlyAQUA

Static ReadonlyBLACK

Static ReadonlyBLUE

Static ReadonlyCYAN

Static ReadonlyFUCHSIA

Static ReadonlyGRAY

Static ReadonlyGREEN

Static ReadonlyLIME

Static ReadonlyMAGENTA

Static ReadonlyMAROON

Static ReadonlyNAVY

Static ReadonlyOLIVE

Static ReadonlyPURPLE

Static ReadonlyRED

Static ReadonlySILVER

Static ReadonlyTEAL

Static ReadonlyTRANSPARENT

Static ReadonlyWHITE

Static ReadonlyYELLOW

clone

• clone(): Color

  Returns Color

copyFrom

• copyFrom(color: Color | Readonly<Color>): this

  Parameters

  • color: Color | Readonly<Color>

  Returns this

lerp

• lerp(target: Color | Readonly<Color>, t: number): this

  Parameters

  • target: Color | Readonly<Color>
  • t: number

  Returns this

set

• set(r?: number, g?: number, b?: number, a?: number): this

  Parameters

  • r: number = 0
  • g: number = 0
  • b: number = 0
  • a: number = 1.0

  Returns this

toArray

• toArray(): number[]

  Returns the color components as an array.

  Returns number[]

  [r, g, b, a]

toFloat32Array

• toFloat32Array(): Float32Array

  Returns the color components as a Float32Array.

  Returns Float32Array

  Float32Array(4)

toHex

• toHex(includeAlpha?: boolean): string

  Returns the color components as a hex string (e.g. "#FF0000").

  Parameters

  • includeAlpha: boolean = false

    Whether to include the alpha channel (e.g. "#FF0000FF").

  Returns string

toHSL

• toHSL(): { h: number; l: number; s: number }

  Returns the color components as HSL.

  Returns { h: number; l: number; s: number }

  An object with { h: (0-360), s: (0-1), l: (0-1) }

toHSV

• toHSV(): { h: number; s: number; v: number }

  Returns the color components as HSV/HSB.

  Returns { h: number; s: number; v: number }

  An object with { h: (0-360), s: (0-1), v: (0-1) }

toVector3

• toVector3(): Vector3D

  Returns the RGB components as a Vector3D.

  Returns Vector3D

Staticblackbody

• blackbody(t: number, target?: Color): Color

  Evaluates a thermal blackbody radiation color ramp from normalized temperature t in [0, 1].

  • 0.0: Deep dark red (0.6, 0.0, 0.0)
  • 0.5: Hot fiery orange (1.0, 0.38, 0.0)
  • 0.8: Golden yellow (1.0, 0.75, 0.33)
  • 1.0: Blinding thermal white (1.0, 1.0, 1.0)

  Parameters

  • t: number

    Normalized temperature in [0, 1] (clamped automatically).

  • Optionaltarget: Color

    Optional existing Color instance to mutate (avoids GC allocations).

  Returns Color

StaticfromHex

• fromHex(hex: string): Color

  Creates a Color from a hex string (e.g. "#FF0000" or "#F00").

  Parameters

  • hex: string

  Returns Color

StaticfromHSL

• fromHSL(h: number, s: number, l: number, a?: number): Color

  Creates a Color from HSL (Hue, Saturation, Lightness).

  Parameters

  • h: number

    Hue (0 - 360).

  • s: number

    Saturation (0.0 - 1.0).

  • l: number

    Lightness (0.0 - 1.0).

  • a: number = 1.0

    Alpha (0.0 - 1.0). Default is 1.0.

  Returns Color

StaticfromHSV

• fromHSV(h: number, s: number, v: number, a?: number): Color

  Creates a Color from HSV/HSB (Hue, Saturation, Value/Brightness).

  Parameters

  • h: number

    Hue (0 - 360).

  • s: number

    Saturation (0.0 - 1.0).

  • v: number

    Value/Brightness (0.0 - 1.0).

  • a: number = 1.0

    Alpha (0.0 - 1.0). Default is 1.0.

  Returns Color

StaticfromName

• fromName(name: string): Color | undefined

  Creates a Color from a CSS/X11 named color (e.g. "papayawhip", "royalblue", "coral").

  Parameters

  • name: string

  Returns Color | undefined

StaticfromTemperature

• fromTemperature(kelvin: number, target?: Color): Color

  Converts a color temperature in Kelvin (1000K to 40000K) to standard RGB color. Based on Tanner Helland's analytic Planckian locus fit.

  Parameters

  • kelvin: number

    Temperature in Kelvin (e.g. 1900 for candlelight, 5500 for midday sun, 10000 for blue sky).

  • Optionaltarget: Color

    Optional existing Color instance to mutate (avoids GC allocations).

  Returns Color