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#ffda3b

a balanced, electric yellow · warm · closest name: Gold

RGB
255, 218, 59
HSL
49°, 100%, 62%
CMYK
0, 15, 77, 0
Luminance
0.7172

At a glance

Every number on this page in one read: what #ffda3b is made of, how bright it looks, and which way it leans.

Hex
#ffda3b
Hue
49°
yellow
Saturation
100%
electric
Lightness
62%
balanced
Brightness
100%
HSV value
Perceived
86%
weighted brightness
Luminance
0.7172
WCAG relative
Temperature
Warm
16/100 cool
Color family
Yellow
Tone
Electric
Best ink
Black
15.34:1
Closest name
Gold
ΔE2000 2.3
Where it sits
Hue49° of 360°
Saturation100%
Lightness62%
Temperature
Warm ← → Cool16% cool

Reads warm. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Every format

HEX#ffda3b
RGBrgb(255, 218, 59)
HSLhsl(49, 100%, 62%)
CMYKcmyk(0%, 15%, 77%, 0%)
LABlab(87.8 -2.3 77.0)
LCHlch(87.8 77.1 91.7)
OKLCHoklch(0.894 0.168 95.1)
Decimal16767547
Display P3color(display-p3 1.000 0.855 0.231)

Copy-ready code

/* CSS */
color: #ffda3b;
background-color: #ffda3b;
/* Tailwind (arbitrary) */
class="text-[#ffda3b] bg-[#ffda3b]"
/* SCSS */
$brand: #ffda3b;
/* SwiftUI */
Color(red: 1.000, green: 0.855, blue: 0.231)
/* Android */
Color.parseColor("#ffda3b")
/* Flutter */
Color(0xFFFFDA3B)
/* Python / OpenCV (BGR) */
(59, 218, 255)

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#000000 on #ffda3b · 15.34:1
Use #000000AAA at every size.
Aa
White text · 1.37:1
AA fail · AA large fail · AAA fail
Aa
Black text · 15.34:1 · recommended
AA pass · AA large pass · AAA pass
Reading the other direction: #ffda3b as text scores 1.37:1 on white and 15.34:1 on black.

Accessibility — WCAG contrast

Aa
#ffda3b on white: 1.37:1
AA ✗ fail · AA-large · AAA
Aa
#ffda3b on black: 15.34:1
AA ✓ pass · AA-large · AAA
true color
protanopia · #F1D617
deuteranopia · #FBE146
tritanopia · #FFC8BC

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #ffda3b is pinned to step 400; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#FEFBF1
#FCF8E3
#FCF0C0
#FFEA8F
#ffda3b
#FFD51F
#F5C700
#CCA600
#A38400
#766005
#493C03
Base = 400Lightest = 50 · #FEFBF1Darkest = 950 · #493C03
:root {
  --brand-50: #FEFBF1;
  --brand-100: #FCF8E3;
  --brand-200: #FCF0C0;
  --brand-300: #FFEA8F;
  --brand-400: #ffda3b;
  --brand-500: #FFD51F;
  --brand-600: #F5C700;
  --brand-700: #CCA600;
  --brand-800: #A38400;
  --brand-900: #766005;
  --brand-950: #493C03;
  --brand: #ffda3b;
  --brand-ink: #000000;
}

Colors that work with #ffda3b

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#000000
Black wins here
Surface#FAF9F4
Tinted page background
Border#EDE4C0
Hairlines and dividers
Muted text#9B8C4B
Captions on the surface
Accent#0059CC
Second voice, not a rival
Dark variant#806700
Hover, pressed, headers
Light variant#FFFAE5
Selected rows, tints
Dark surface#242114
Dark-mode background
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

How to use #ffda3b

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Text and icons on dark surfaces
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Brand accents, badges and data highlights
Use with care
  • Text of any size on white — fails WCAG AA
  • Full-page backgrounds — tiring over long sessions
  • Thin strokes and 1px borders — they disappear on light UI
  • Pairing with a same-lightness hue — edges vibrate

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#3B60FF
Analogous left#FF783B
Analogous right#C2FF3B
Split-complement 1#3BC2FF
Split-complement 2#783BFF
Triadic 1#3BFFDA
Triadic 2#DA3BFF
Tetradic#3BFF78

RGB percentages

Red100.0%
Green85.5%
Blue23.1%

CMYK percentages

Cyan0.0%
Magenta14.5%
Yellow76.9%
Key (black)0.0%

Color previews

#ffda3b text on a black background

contrast 15.34:1

Card sample

#ffda3b text on a white background

contrast 1.37:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #ffda3b;
Background color
Panel with #ffda3b background
background-color: #ffda3b;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #ffda3b;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(255, 218, 59, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(255, 218, 59, 0.45);
Border & gradient
Gradient panel
border: 3px solid #ffda3b;
background: linear-gradient(135deg, #ffda3b, #A1FF3B);

Monochromatic scale

Palettes built from #ffda3b

Shades — darker

Tints — lighter

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#ffda3b in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
RetailLeisureEnergyWarning systems
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#ffda3b, answered

What color is #ffda3b?

#ffda3b is a balanced electric yellow, closest to Gold (ΔE2000 2.3). It sits at 49° on the hue wheel with 100% saturation and 62% lightness, which reads as warm.

What is the RGB value of #ffda3b?

rgb(255, 218, 59) — 255 red, 218 green and 59 blue out of 255, or 100% / 85.5% / 23.1% by channel.

Is #ffda3b a light or a dark color?

It is a light color. Relative luminance is 0.7172 and perceived brightness is 86%, so black text on it reaches 15.34:1.

Should I use black or white text on #ffda3b?

Black. It scores 15.34:1 against #ffda3b, versus 1.37:1 for white — AAA at any size.

What is the complementary color of #ffda3b?

#3B60FF sits directly opposite on the wheel. Softer options are the split-complements #3BC2FF and #783BFF, which give the same contrast with far less vibration.

What colors go well with #ffda3b?

For interface work: #FAF9F4 as the surface, #EDE4C0 for borders, #9B8C4B for secondary text, #0059CC as an accent and #806700 for hover and pressed states. For a palette, the analogous pair #FF783B and #C2FF3B stays calm, while #3B60FF is the loudest partner.

What is #ffda3b in CMYK for printing?

cmyk(0%, 15%, 77%, 0%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #ffda3b warm or cool?

Warm — it scores 16 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #FFB13B; nudged cooler, #DCFF3B.

Work with #ffda3b in the Color Lab