QuaScript Documentation

Language guide, engine API, 601 builtins and the preset library · v3.0.0-phase1

color

Palette explorer

Click sets

100

200

300

400

500

600

700

800

900

950

red

tomato

coral

brown

bronze

copper

coffee

orange

sand

amber

yellow

gold

chartreuse

olive

lime

green

emerald

mint

teal

aqua

cyan

sky

navy

slate

blue

indigo

violet

lavender

purple

plum

fuchsia

magenta

pink

ruby

crimson

rose

neutral

zinc

stone

sage

gray

charcoal

mauve

silver

color.sky.400#38bdf8

namecolor.sky.400hex#38bdf8rgb56, 189, 248hsl198°, 93%, 60%

Aa 123.45

on black: 9.80 · AAA

Aa 123.45

on white: 2.14 · fail

Transparency (color.translucent(c, t), 0 = opaque)

Gradient A → Bcolor.sky.400 → color.rose.500

Use the selection

selection.qs

analysis "Palette: sky" { overlay = false }

m = ta.rsi(close, 14) - 50
heat = color.gradient(m, -20, 20, color.rose.500, color.sky.400)
render.histogram(m, "Momentum", color = heat)
render.line(ta.ema(m, 9), "Signal", color = color.sky.400, width = 2)
render.area(m, "Area", base = 0, color = color.translucent(color.sky.400, 85))

Rainbow at shade

rainbow_ribbon.qs

analysis "Rainbow ribbon" { overlay = true }

// one moving average per family, in rainbow order
render.line(ta.ema(close, 8), "EMA 8", color = color.red.400)
render.line(ta.ema(close, 14), "EMA 14", color = color.coral.400)
render.line(ta.ema(close, 20), "EMA 20", color = color.bronze.400)
render.line(ta.ema(close, 26), "EMA 26", color = color.coffee.400)
render.line(ta.ema(close, 32), "EMA 32", color = color.sand.400)
render.line(ta.ema(close, 38), "EMA 38", color = color.yellow.400)
render.line(ta.ema(close, 44), "EMA 44", color = color.chartreuse.400)
render.line(ta.ema(close, 50), "EMA 50", color = color.lime.400)

Generated from the engine catalog by tools/gen-docs.mjs; do not edit.

Palette constants: color.<family>.<shade> for 44 families (slate, gray, zinc, neutral, stone, red, orange, amber, yellow, lime, green, emerald, teal, cyan, sky, blue, indigo, violet, purple, fuchsia, pink, rose, gold, silver, bronze, copper, navy, charcoal, brown, coffee, sand, olive, sage, mint, chartreuse, aqua, coral, tomato, crimson, ruby, magenta, plum, lavender, mauve) and shades 50, 100, 200 … 900, 950.

Palette values

Family	50	100	200	300	400	500	600	700	800	900	950
`slate`	`#f8fafc`	`#f1f5f9`	`#e2e8f0`	`#cbd5e1`	`#94a3b8`	`#64748b`	`#475569`	`#334155`	`#1e293b`	`#0f172a`	`#020617`
`gray`	`#f9fafb`	`#f3f4f6`	`#e5e7eb`	`#d1d5db`	`#9ca3af`	`#6b7280`	`#4b5563`	`#374151`	`#1f2937`	`#111827`	`#030712`
`zinc`	`#fafafa`	`#f4f4f5`	`#e4e4e7`	`#d4d4d8`	`#a1a1aa`	`#71717a`	`#52525b`	`#3f3f46`	`#27272a`	`#18181b`	`#09090b`
`neutral`	`#fafafa`	`#f5f5f5`	`#e5e5e5`	`#d4d4d4`	`#a3a3a3`	`#737373`	`#525252`	`#404040`	`#262626`	`#171717`	`#0a0a0a`
`stone`	`#fafaf9`	`#f5f5f4`	`#e7e5e4`	`#d6d3d1`	`#a8a29e`	`#78716c`	`#57534e`	`#44403c`	`#292524`	`#1c1917`	`#0c0a09`
`red`	`#fef2f2`	`#fee2e2`	`#fecaca`	`#fca5a5`	`#f87171`	`#ef4444`	`#dc2626`	`#b91c1c`	`#991b1b`	`#7f1d1d`	`#450a0a`
`orange`	`#fff7ed`	`#ffedd5`	`#fed7aa`	`#fdba74`	`#fb923c`	`#f97316`	`#ea580c`	`#c2410c`	`#9a3412`	`#7c2d12`	`#431407`
`amber`	`#fffbeb`	`#fef3c7`	`#fde68a`	`#fcd34d`	`#fbbf24`	`#f59e0b`	`#d97706`	`#b45309`	`#92400e`	`#78350f`	`#451a03`
`yellow`	`#fefce8`	`#fef9c3`	`#fef08a`	`#fde047`	`#facc15`	`#eab308`	`#ca8a04`	`#a16207`	`#854d0e`	`#713f12`	`#422006`
`lime`	`#f7fee7`	`#ecfccb`	`#d9f99d`	`#bef264`	`#a3e635`	`#84cc16`	`#65a30d`	`#4d7c0f`	`#3f6212`	`#365314`	`#1a2e05`
`green`	`#f0fdf4`	`#dcfce7`	`#bbf7d0`	`#86efac`	`#4ade80`	`#22c55e`	`#16a34a`	`#15803d`	`#166534`	`#14532d`	`#052e16`
`emerald`	`#ecfdf5`	`#d1fae5`	`#a7f3d0`	`#6ee7b7`	`#34d399`	`#10b981`	`#059669`	`#047857`	`#065f46`	`#064e3b`	`#022c22`
`teal`	`#f0fdfa`	`#ccfbf1`	`#99f6e4`	`#5eead4`	`#2dd4bf`	`#14b8a6`	`#0d9488`	`#0f766e`	`#115e59`	`#134e4a`	`#042f2e`
`cyan`	`#ecfeff`	`#cffafe`	`#a5f3fc`	`#67e8f9`	`#22d3ee`	`#06b6d4`	`#0891b2`	`#0e7490`	`#155e75`	`#164e63`	`#083344`
`sky`	`#f0f9ff`	`#e0f2fe`	`#bae6fd`	`#7dd3fc`	`#38bdf8`	`#0ea5e9`	`#0284c7`	`#0369a1`	`#075985`	`#0c4a6e`	`#082f49`
`blue`	`#eff6ff`	`#dbeafe`	`#bfdbfe`	`#93c5fd`	`#60a5fa`	`#3b82f6`	`#2563eb`	`#1d4ed8`	`#1e40af`	`#1e3a8a`	`#172554`
`indigo`	`#eef2ff`	`#e0e7ff`	`#c7d2fe`	`#a5b4fc`	`#818cf8`	`#6366f1`	`#4f46e5`	`#4338ca`	`#3730a3`	`#312e81`	`#1e1b4b`
`violet`	`#f5f3ff`	`#ede9fe`	`#ddd6fe`	`#c4b5fd`	`#a78bfa`	`#8b5cf6`	`#7c3aed`	`#6d28d9`	`#5b21b6`	`#4c1d95`	`#2e1065`
`purple`	`#faf5ff`	`#f3e8ff`	`#e9d5ff`	`#d8b4fe`	`#c084fc`	`#a855f7`	`#9333ea`	`#7e22ce`	`#6b21a8`	`#581c87`	`#3b0764`
`fuchsia`	`#fdf4ff`	`#fae8ff`	`#f5d0fe`	`#f0abfc`	`#e879f9`	`#d946ef`	`#c026d3`	`#a21caf`	`#86198f`	`#701a75`	`#4a044e`
`pink`	`#fdf2f8`	`#fce7f3`	`#fbcfe8`	`#f9a8d4`	`#f472b6`	`#ec4899`	`#db2777`	`#be185d`	`#9d174d`	`#831843`	`#500724`
`rose`	`#fff1f2`	`#ffe4e6`	`#fecdd3`	`#fda4af`	`#fb7185`	`#f43f5e`	`#e11d48`	`#be123c`	`#9f1239`	`#881337`	`#4c0519`
`gold`	`#fffbeb`	`#fef08a`	`#fde047`	`#facc15`	`#eab308`	`#d4af37`	`#b8860b`	`#996515`	`#78510d`	`#54390b`	`#332205`
`silver`	`#f8f9fa`	`#f1f3f5`	`#e9ecef`	`#dee2e6`	`#ced4da`	`#adb5bd`	`#868e96`	`#495057`	`#343a40`	`#212529`	`#121416`
`bronze`	`#fdf8f6`	`#f2e8e5`	`#e4d2cc`	`#d1b4ab`	`#ba9285`	`#a17464`	`#8c5e50`	`#72493e`	`#5c3a31`	`#4d3129`	`#2a1914`
`copper`	`#fdf7f4`	`#f8ede6`	`#f0d9cb`	`#e3beaa`	`#cf997f`	`#b87355`	`#a15d40`	`#834a33`	`#6b3c29`	`#573223`	`#32190f`
`navy`	`#f0f4f8`	`#d9e2ec`	`#bcccdc`	`#9fb3c8`	`#627d98`	`#334e68`	`#243b53`	`#102a43`	`#0b1f33`	`#061424`	`#030a14`
`charcoal`	`#f5f5f6`	`#e5e6e8`	`#cdcfd3`	`#a9adb5`	`#7d828e`	`#5b616e`	`#464a55`	`#383b44`	`#2a2c33`	`#1d1e23`	`#0f0f12`
`brown`	`#fdf8f6`	`#f2e8e5`	`#eaddd7`	`#d0b8ac`	`#b08974`	`#8d5b4c`	`#77493b`	`#623b2f`	`#523228`	`#442a22`	`#281712`
`coffee`	`#fbf8f6`	`#f4ece7`	`#e6d6cd`	`#d2b8a8`	`#b3917c`	`#8d6750`	`#734f3b`	`#5e3e2d`	`#4e3325`	`#422c20`	`#26170f`
`sand`	`#fcfbf9`	`#f6f3ee`	`#ede6dc`	`#ded2c2`	`#c7b59f`	`#a8947c`	`#8f7a63`	`#73614e`	`#5e4f41`	`#4e4238`	`#2e261f`
`olive`	`#fbfcf8`	`#f4f6ec`	`#e7ebda`	`#d4dcbe`	`#b5c496`	`#8f9e6d`	`#728052`	`#596440`	`#474f34`	`#3d432e`	`#202417`
`sage`	`#f6f7f6`	`#e3e7e4`	`#c8d1cb`	`#a9b7ad`	`#8b9c90`	`#6e7f73`	`#57655b`	`#46514a`	`#3a423d`	`#323834`	`#1b1f1d`
`mint`	`#f0fdf9`	`#ccfbef`	`#99f6df`	`#5eead0`	`#2dd4b7`	`#14b89d`	`#0d947e`	`#0f7665`	`#115e52`	`#134e44`	`#042f29`
`chartreuse`	`#fbfee7`	`#f5fec2`	`#ecfd8a`	`#dcfb49`	`#c4f114`	`#a3d900`	`#7fae00`	`#5f8300`	`#4c6606`	`#40550a`	`#213000`
`aqua`	`#f0fdff`	`#dcf8fc`	`#b5f0f8`	`#7ee3f1`	`#3ecfe5`	`#00bcd4`	`#009cb3`	`#007d91`	`#046474`	`#085360`	`#02353f`
`coral`	`#fff7f5`	`#ffeee9`	`#fed8ce`	`#fcbda9`	`#f99576`	`#f06a4b`	`#db4d2c`	`#b63a1e`	`#93301a`	`#792b1a`	`#431309`
`tomato`	`#fff5f3`	`#ffe7e2`	`#fed2c8`	`#fdb1a2`	`#f8816a`	`#ef4f30`	`#d93315`	`#b4250c`	`#92200d`	`#791f11`	`#440b03`
`crimson`	`#fff1f2`	`#ffe1e4`	`#fecdd3`	`#fda4af`	`#f7556d`	`#dc143c`	`#b90e31`	`#960926`	`#77071d`	`#5a0415`	`#38020c`
`ruby`	`#fff0f3`	`#ffccd5`	`#ffb3c1`	`#ff8fa3`	`#ff4d6d`	`#c9184a`	`#a4133c`	`#800f2f`	`#590d22`	`#3c0817`	`#24040d`
`magenta`	`#fdf2f9`	`#fce7f3`	`#f9cee5`	`#f4a4cd`	`#eb67a9`	`#d92683`	`#bd166b`	`#9c1055`	`#7e1144`	`#67133a`	`#3e041f`
`plum`	`#fbf7fc`	`#f5ebf8`	`#ebd6f2`	`#dcb8e7`	`#c490d6`	`#a665be`	`#8c4da3`	`#733c85`	`#5f336d`	`#4f2c59`	`#33173c`
`lavender`	`#faf7fe`	`#f2ebfd`	`#e6d8fb`	`#d3bbf7`	`#b895f0`	`#9b6ee5`	`#824fd4`	`#6e3bbe`	`#5b2f9f`	`#4b2881`	`#2e1454`
`mauve`	`#faf8f9`	`#f2edf0`	`#e4dae0`	`#d0c1cb`	`#b5a1ae`	`#998392`	`#7e6977`	`#665460`	`#554650`	`#483c44`	`#2c2229`

Constants

Name	Value	Meaning
`color.black`	0	Black.
`color.transparent`	16777216	Fully transparent.
`color.white`	16777215	White.

color.alpha

script.qs

color.alpha(color) -> num

Transparency of the color (0..100).

Argument	Kind	Default	Notes
`color`	color	required

color.complement

script.qs

color.complement(color) -> color

Complementary hue.

Argument	Kind	Default	Notes
`color`	color	required

color.contrast

script.qs

color.contrast(color1, color2) -> num

Contrast ratio of two colors (1 .. 21).

Argument	Kind	Default	Notes
`color1`	color	required
`color2`	color	required

color.darken

script.qs

color.darken(color, amount = 50) -> color

Mix towards black by amount percent.

Argument	Kind	Default	Notes
`color`	color	required
`amount`	num	`50`

color.gradient

script.qs

color.gradient(x, min, max, color1, color2) -> color

Blend from color1 (x <= min) to color2 (x >= max).

Argument	Kind	Default
`x`	num	required
`min`	num	required
`max`	num	required
`color1`	color	required
`color2`	color	required

color.grayscale

script.qs

color.grayscale(color) -> color

Luminance-preserving gray.

Argument	Kind	Default	Notes
`color`	color	required

color.harmonics

script.qs

color.harmonics(color, scheme = 0) -> color

Harmonic partner hue (0 triad, 1 analogous, 2 split complement, 3 tetrad).

Argument	Kind	Default	Notes
`color`	color	required
`scheme`	int	`0`

color.hsv

script.qs

color.hsv(h, s, v) -> color

Color from hue (0..360), saturation and value (0..1).

Argument	Kind	Default
`h`	num	required
`s`	num	required
`v`	num	required

color.invert

script.qs

color.invert(color) -> color

Inverted channels.

Argument	Kind	Default	Notes
`color`	color	required

color.lighten

script.qs

color.lighten(color, amount = 50) -> color

Mix towards white by amount percent.

Argument	Kind	Default	Notes
`color`	color	required
`amount`	num	`50`

color.ramp

script.qs

color.ramp(x, min, max, palette = viridis, transparency = 0) -> color

Color of x on a multi-stop palette, scaled from min (first stop) to max (last stop). Swap min and max to reverse it.

Argument	Kind	Default	Notes
`x`	num	required
`min`	num	required
`max`	num	required
`palette`	text	`viridis`	one of `viridis`, `magma`, `inferno`, `plasma`, `cividis`, `turbo`, `spectral`, `coolwarm`, `terrain`, `pnl`
`transparency`	num	`0`

script.qs

render.histogram(z, "Z", color = color.ramp(z, -3, 3, "coolwarm"))

color.readable

script.qs

color.readable(color) -> color

Black or white, whichever reads better on the color.

Argument	Kind	Default	Notes
`color`	color	required

color.rgb

script.qs

color.rgb(r, g, b, transparency = 0) -> color

Color from 0..255 channels and 0..100 transparency.

Argument	Kind	Default
`r`	num	required
`g`	num	required
`b`	num	required
`transparency`	num	`0`

color.translucent

script.qs

color.translucent(color, transparency) -> color

The color with a transparency of 0 (opaque) .. 100 (invisible).

Argument	Kind	Default	Notes
`color`	color	required
`transparency`	num	required

Appearance

color

Palette explorer

Palette values

Constants

color.alpha

color.complement

color.contrast

color.darken

color.gradient

color.grayscale

color.harmonics

color.hsv

color.invert

color.lighten

color.ramp

color.readable

color.rgb

color.translucent