Irodori彩り

#C9A227 สีทอง

Color conversion · Variations · Color combinations · Color contrast checker

Color conversion

#C9A227สีทอง

CMYK profile: Coated FOGRA39 · Formats follow CSS Color 4 naming and WCAG 2.2 contrast rules.

At a glance

Nameสีทอง
Romanizationsi thong
TraditionThai traditional colors
FamilyYellow
HEX#C9A227
RGBrgb(201,162,39)
HSLhsl(46 68% 47%)
HSVhsv(46, 81%, 79%)
OKLCHoklch(0.728 0.138 89.7)
LABlab(68.32 2.87 63.89)
XYZ37,38,7
CMYKcmyk(0.0% 19.4% 80.6% 21.2%)
RAL#E29000 · Maize yellow · RAL 1006
NoteTemple gold leaf · royal ceremonies

About this color

si thongYellowThai traditional colors

Optimism under a spotlight

สีทอง is #C9A227, a Yellow tone with a clear cultural lineage. Read on its own it belongs to the Yellow family; read through its Thai traditional colors roots, it carries a second layer of meaning.

Design tip

Test สีทอง (#C9A227) on a neutral surface first; a Yellow accent then looks intentional rather than decorative.

Best use

Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.

optimisticbrightalertyouthfulcautious

Psychology

How it is perceived

optimisticbrightalertyouthfulcautious

Psychological effect

สีทอง raises the perceived energy of a Yellow composition and pulls the eye toward action.

Emotional impact

It feels immediate and warm, so it can lift a restrained layout without making it loud.

Symbolism

What it stands for

hopeclarity and playful confidence

Cultural significance

In Thai traditional colors settings the shade carries local references, so verify its symbolism before a campaign.

Positive associations

Positive associations lean toward hope, clarity and playful confidence, which is why it appears in invitations and seasonal work.

Use with care

Too much surface area can read as anxiety or hazard when too loud, so keep it to accents and small fields.

Where it appears

Common design applications

Campaign landing pages
Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.
Editorial cover systems
Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.
Product packaging labels
Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.
Dashboard status accents
Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.
Retail wayfinding signs
Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.

Design guidance

How to make it work

Do

  • Keep saturated fills below about twenty percent of the layout.
  • Use it for the primary call to action and nothing else.
  • Check the pairing at small sizes on a neutral background.

Avoid

  • Do not place it beside clashing neon greens or electric blues.
  • Never use it for long body text on white.
  • Avoid gradients that shift its hue into another family.
Brand fit
logistics, food, leisure, safety

Brands built on The Innocent, The Explorer use it to signal character before they say a word.

Trend signal
Optimism under a spotlight

Yellow is the brightest hue the eye can resolve, so it attracts attention before form is read. Pale versions feel sunny; saturated ones behave like a warning sign.

Pairing

Colors that complete it

#85A2FEeditorial layouts that need one warm focal point
#906B00interfaces where an accent has to stay legible
#00BDD6packaging that should feel appetizing without shouting

History

Pigments and provenance

Before synthetic dyes, สีทอง was matched with mineral and plant pigments, and the Yellow family depended on sources such as ochre, madder and indigo. Screens now reproduce it more consistently than any single pigment ever could.

Tags

optimisticbrightalertyouthfulcautioushopeclarity and playful confidenceYellow

Origins & sources

Etymology: 「สีทอง」意为金色,常见于佛寺、佛牌与王室器物,不属于星期色体系。

Transliteration: si thong

Variations

Shades darken and tints lighten while the hue angle stays fixed.

Pro tip: Shades darken and tints lighten while the hue angle stays fixed.

Shades

Darker steps built from the same hue.

0% #C9A227
10% #B59223
20% #A1821F
30% #8D711B
40% #796117
50% #655114
60% #504110
70% #3C310C
80% #282008
90% #141004
100% #000000

Tints

Lighter steps for surfaces and backgrounds.

0% #C9A227
10% #CEAB3D
20% #D4B552
30% #D9BE68
40% #DFC77D
50% #E4D193
60% #E9DAA9
70% #EFE3BE
80% #F4ECD4
90% #FAF6E9
100% #FFFFFF

Design scale 50–950

50#FFF5D9100#FDECBE200#F1D793300#E0BF66400#C9A539500#AB8500600#926D00700#775700800#5D4100900#442E00950#2D1E00
Dark-mode value (AA): #9D7700 · 4.55:1

Use cases

  • Shades → hover, shadows, depth
  • Tints → highlights, surfaces
  • Balance → consistent color systems

Design tip

Keep one dominant tone, one supporter and one accent.

Across color systems

The closest named color in each tradition and design system, measured in OKLCH ΔE. Lower means closer.

Asian color traditions

สีทอง TH ΔE 0.000
黄土 TB ΔE 0.027
Kuning ID ΔE 0.032
Show all (6)
萌黄 JP ΔE 0.038
केसर IN ΔE 0.052
Алт MN ΔE 0.053
杏黄 CN ΔE 0.056
황 KR ΔE 0.080
Vàng VN ΔE 0.160

Design systems

Yellow 500 Chakra ΔE 0.006
Lime 8 Radix ΔE 0.009
Office 130 Fluent ΔE 0.022
Show all (11)
Red 10 Polaris ΔE 0.029
Yellow 800 Open Color ΔE 0.030
Teal Bootstrap ΔE 0.037
Orange 400 UnoCSS ΔE 0.037
Orange 400 Panda ΔE 0.037
Orange 6 Ant Design ΔE 0.039
Error 70 Material ΔE 0.042
Teal 500 Tailwind ΔE 0.042
Neutral muted Primer ΔE 0.152
Brand (alternate) vanilla-extract ΔE 0.155
Secondary StyleX ΔE 0.189

RAL Classic

Maize yellow · RAL 1006 RAL ΔE 0.020
Try any color

Where it sits in the library

These figures come from a build-time ranking across all 116 traditional colors on the site, not from hand-written description.

  • Lightness L* 68.3 — rank 36 of 116 traditional colors (lighter third).
  • Chroma C 63.958 — rank 30 (high chroma).
  • Hue 46°, in the yellow family.
  • Closest neighbor in the same hue family: “สีเหลือง”, ΔE OK 0.122.

Can three steps of one hue work together

Three steps from the 50–950 scale of “สีทอง”: same hue, only lightness differs. Below is the contrast whenever one of them is text on another.

200#F1D793
500#AB8500
800#5D4100
  • 200 ↔ 500: 2.44:1 (FAIL)
  • 500 ↔ 800: 2.74:1 (FAIL)
  • 200 ↔ 800: 6.70:1 (AA)

Pairs reaching 4.5:1 (AA body text): 1 of 3. Pairs reaching 3:1 (large text, icons, borders): 1 of 3. The rest fall below 3:1 and should not carry text.

Color combinations

Rotate the hue wheel while holding lightness steady.

How to use it

Three moves keep the color readable and deliberate.

Why it works

The perceptual reasoning behind the palette.

All six palettes rotate hue at similar lightness, so the best in-group contrast falls between 1.01:1 and 1.82:1. Use them for fills, charts and graphics rather than as text on each other — when you need text, use a neutral or a darker step of the same scale.

Complementary

Opposite the hue wheel; it sharpens the focal color by contrast.

#C9A227#85A2FE

Best use: Calls to action and single-feature highlights

Split-complementary

Two neighbors of the opposite hue; softer than a direct complement.

#C9A227#44B1F4#B492F1

Best use: Balanced marketing layouts with two accents

Triadic

Three hues spaced evenly; lively but needs one dominant voice.

#C9A227#00BDD6#D786D0

Best use: Event identities and playful editorial spreads

Analogous

Neighbors on the wheel; quiet, cohesive and easy to scan.

#E59043#C9A227#9DB345

Best use: Backgrounds, charts and calm product pages

Monochromatic

One hue across lightness steps; disciplined and premium.

#91751C#C9A227#D8BC63

Best use: Design systems, packaging and typographic hierarchy

Tetradic

Two complementary pairs; rich, but requires strict proportion.

#C9A227#60BF77#85A2FE#D786D0

Best use: Complex dashboards and multi-service brands

Export the scale

CSS

:root {
  --brand-50: #FFF5D9;
  --brand-100: #FDECBE;
  --brand-200: #F1D793;
  --brand-300: #E0BF66;
  --brand-400: #C9A539;
  --brand-500: #AB8500;
  --brand-600: #926D00;
  --brand-700: #775700;
  --brand-800: #5D4100;
  --brand-900: #442E00;
  --brand-950: #2D1E00;
}

Tailwind

theme: {
  extend: {
    colors: {
      brand: {
        50: '#FFF5D9',
        100: '#FDECBE',
        200: '#F1D793',
        300: '#E0BF66',
        400: '#C9A539',
        500: '#AB8500',
        600: '#926D00',
        700: '#775700',
        800: '#5D4100',
        900: '#442E00',
        950: '#2D1E00',
      },
    },
  },
}

Figma

{
  "brand": {
    "50": {
      "$type": "color",
      "$value": "#FFF5D9"
    },
    "100": {
      "$type": "color",
      "$value": "#FDECBE"
    },
    "200": {
      "$type": "color",
      "$value": "#F1D793"
    },
    "300": {
      "$type": "color",
      "$value": "#E0BF66"
    },
    "400": {
      "$type": "color",
      "$value": "#C9A539"
    },
    "500": {
      "$type": "color",
      "$value": "#AB8500"
    },
    "600": {
      "$type": "color",
      "$value": "#926D00"
    },
    "700": {
      "$type": "color",
      "$value": "#775700"
    },
    "800": {
      "$type": "color",
      "$value": "#5D4100"
    },
    "900": {
      "$type": "color",
      "$value": "#442E00"
    },
    "950": {
      "$type": "color",
      "$value": "#2D1E00"
    }
  }
}

SVG

<svg xmlns="http://www.w3.org/2000/svg" width="1100" height="120">
  <rect x="0" y="0" width="100" height="90" fill="#FFF5D9"/>
  <rect x="100" y="0" width="100" height="90" fill="#FDECBE"/>
  <rect x="200" y="0" width="100" height="90" fill="#F1D793"/>
  <rect x="300" y="0" width="100" height="90" fill="#E0BF66"/>
  <rect x="400" y="0" width="100" height="90" fill="#C9A539"/>
  <rect x="500" y="0" width="100" height="90" fill="#AB8500"/>
  <rect x="600" y="0" width="100" height="90" fill="#926D00"/>
  <rect x="700" y="0" width="100" height="90" fill="#775700"/>
  <rect x="800" y="0" width="100" height="90" fill="#5D4100"/>
  <rect x="900" y="0" width="100" height="90" fill="#442E00"/>
  <rect x="1000" y="0" width="100" height="90" fill="#2D1E00"/>
  <text x="50" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">50</text>
  <text x="150" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">100</text>
  <text x="250" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">200</text>
  <text x="350" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">300</text>
  <text x="450" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">400</text>
  <text x="550" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">500</text>
  <text x="650" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">600</text>
  <text x="750" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">700</text>
  <text x="850" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">800</text>
  <text x="950" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">900</text>
  <text x="1050" y="112" font-family="monospace" font-size="10" text-anchor="middle" fill="#444">950</text>
</svg>

iOS

extension UIColor {
  static let brand50 = UIColor(red: 1.000, green: 0.961, blue: 0.851, alpha: 1.0)
  static let brand100 = UIColor(red: 0.992, green: 0.925, blue: 0.745, alpha: 1.0)
  static let brand200 = UIColor(red: 0.945, green: 0.843, blue: 0.576, alpha: 1.0)
  static let brand300 = UIColor(red: 0.878, green: 0.749, blue: 0.400, alpha: 1.0)
  static let brand400 = UIColor(red: 0.788, green: 0.647, blue: 0.224, alpha: 1.0)
  static let brand500 = UIColor(red: 0.671, green: 0.522, blue: 0.000, alpha: 1.0)
  static let brand600 = UIColor(red: 0.573, green: 0.427, blue: 0.000, alpha: 1.0)
  static let brand700 = UIColor(red: 0.467, green: 0.341, blue: 0.000, alpha: 1.0)
  static let brand800 = UIColor(red: 0.365, green: 0.255, blue: 0.000, alpha: 1.0)
  static let brand900 = UIColor(red: 0.267, green: 0.180, blue: 0.000, alpha: 1.0)
  static let brand950 = UIColor(red: 0.176, green: 0.118, blue: 0.000, alpha: 1.0)
}

Android

<resources>
  <color name="brand_50">#FFF5D9</color>
  <color name="brand_100">#FDECBE</color>
  <color name="brand_200">#F1D793</color>
  <color name="brand_300">#E0BF66</color>
  <color name="brand_400">#C9A539</color>
  <color name="brand_500">#AB8500</color>
  <color name="brand_600">#926D00</color>
  <color name="brand_700">#775700</color>
  <color name="brand_800">#5D4100</color>
  <color name="brand_900">#442E00</color>
  <color name="brand_950">#2D1E00</color>
</resources>

Principles

Balance

Keep one dominant tone, one supporter and one accent.

Contrast

Test body text against both white and black before shipping.

Harmony

Rotate the hue wheel while holding lightness steady.

Color contrast checker

Test body text against both white and black before shipping.

2.42 :1
FAIL
Quote

Give สีทอง the single element that must be noticed first, and let the rest of the Yellow palette support it.

WCAG contrast
Preview
Aa / Bb
#C9A227 · สีทอง

WCAG contrast standards

WCAG 2.2 sets minimum contrast for text and interface parts. #C9A227 measures 2.42:1 against white (FAIL) and 7.81:1 against black (AAA). Use the table below to choose the right threshold for the text size.

LevelNormal textLarge text (18pt+ / 14pt bold)Icons & UI parts
AAA7 : 14.5 : 1—
AA4.5 : 13 : 13 : 1
Fails< 4.5 : 1< 3 : 1< 3 : 1

Large text means 18pt regular or 14pt bold. UI parts need 3:1 against adjacent colors. AA is the common compliance baseline; AAA is enhanced.

Technical formats

Notation across color spaces

HEX
#C9A227

CSS Color 4

RGB
201,162,39

sRGB / D65

HSL
46,68,47

HSL

OKLCH
oklch(0.728 0.138 89.7)

perceptual

LAB
68,3,64

CIE Lab

LCH
68,64,87

CIE LCH

XYZ
37,38,7

CIE XYZ

LUV
68,33,67

CIE LUV

HWB
46,15,21

CSS HWB

CMYK
0,19,81,21

print

Practical formats

Ready-to-use values

CSS
color: #C9A227;

custom properties

Tailwind
bg-[#C9A227] text-[#FFF]

arbitrary value

Android
#FFC9A227

ARGB

Flutter
Color(0xFFC9A227)

dart:ui

Photoshop
R 201 G 162 B 39 · C 0 M 19 Y 81 K 21

RGB / CMYK

Print
CMYK 0,19,81,21

FOGRA39

Color analysis

Measured color properties

Lightness
0.384

relative luminance · warm

Contrast
2.42 : 1

vs white · FAIL · warm

Contrast
7.81 : 1

vs black · AAA · warm

Hue
46°

saturation 68% · warm

LCH
68,64,87

lightness 47% · warm

Delta E
14.3

สีเหลือง #F2C94C · warm

Blindness simulator

How it reads with color vision deficiency

Preview
#C9A227
Protanopia
#C19A20
Deuteranopia
#CCA72A
Tritanopia
#E98D7D

How it reads with color vision deficiency · ΔE 14.3

Creative aspects

Culture, mood and story

Mood
optimistic, bright, alert, youthful, cautious

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Family
Yellow · oklch(0.728 0.138 89.7)

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Usage
Campaign landing pages

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Style
Optimism under a spotlight

It is commonly read as energy, warmth, confidence and a trace of ceremony.

Inspired by
Thai traditional colors

It is commonly read as energy, warmth, confidence and a trace of ceremony.

More in this palette

Frequently asked questions

What color is #C9A227?
สีทอง is #C9A227, or #C9A227 in uppercase notation. In RGB it is rgb(201,162,39), in HSL about hsl(46 68% 47%), and in OKLCH oklch(0.728 0.138 89.7).
How should I use สีทอง in design?
Give it one focal element, keep body copy neutral and confirm contrast at 2.42 against white and 7.81 against black.
Is สีทอง accessible?
Contrast is 2.42 against white (FAIL) and 7.81 against black (AAA). Use it for large text when the level reaches AA.