#FFDD39#FFDD39

#FFDD39 is a very light, vivid yellow. Relative luminance 0.733; OKLCH L 90.0% C 0.171 H 96.6°. Best body text is #000000 at 15.65:1 contrast (WCAG AA passes).

Color values

HEX	#FFDD39
RGB	rgb(255, 221, 57)
HSL	hsl(50, 100%, 61%)
HSV	hsv(50, 78%, 100%)
CMYK	cmyk(0%, 13.3%, 77.6%, 0%)
CIE-LAB	lab(88.58, -3.93, 78.31)
CIE-LCH	lch(88.58, 78.41, 92.87°)
OKLab	oklab(90.03% -0.0197 0.1701)
OKLCH	oklch(90.03% 0.171 96.6)
XYZ	xyz(67.8386, 73.2720, 14.4398)
Luminance	0.7327 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFDD39 #395BFF

analogous

#FF7A39 #FFDD39 #BEFF39

triadic

#FFDD39 #39FFDD #DD39FF

tetradic

#FFDD39 #39FF7A #395BFF #FF39BE

square

#FFDD39 #39FF7A #395BFF #FF39BE

split-complementary

#FFDD39 #39BEFF #7A39FF

monochromatic

#BE9D00 #FBD000 #FFDD39 #FFE876 #FFF2B3

Accessibility & contrast

On white

1.34

#FFDD39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.65

#FFDD39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFDD39

15.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFDD39	#FFFFFF	#000000	##000000
##FFDD39	1.00	1.34	15.65	15.65
#FFFFFF	1.34	1.00	21.00	21.00
#000000	15.65	21.00	1.00	1.00
##000000	15.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4D80E

Deuteranopia (green-blind)

#FDE345

Tritanopia (blue-blind)

#FFCCBE

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #ffdd39;
/* rgb */ color: rgb(255, 221, 57);
/* oklch */ color: oklch(90.0% 0.171 96.6);

Tailwind

colors: {
  custom: {
    50: '#ffe77d',
    500: '#ffdd39',
    950: '#000000',
  },
}

SCSS

$custom: #ffdd39;
$custom-light: #ffe77d;
$custom-dark: #000000;

JSON

{
  "hex": "#ffdd39",
  "rgb": {
    "r": 255,
    "g": 221,
    "b": 57
  },
  "hsl": {
    "h": 49.697,
    "s": 100,
    "l": 61.176
  },
  "oklch": {
    "l": 0.90025,
    "c": 0.17119,
    "h": 96.6
  },
  "luminance": 0.73268
}

Semantic roles & 50–950 ramp

primary

#FFDD39

secondary

#213BBB

accent

#27E600

background

#FFFEFB

surface

#FFFCF2

border

#D7D5CC

text

#19150B

muted

#87847E

Preview Lab

Preview with #FFDD39

Body copy rendered with the generated semantic roles for this colour.

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