#FDF381#FDF381

#FDF381 is a very light, vivid yellow. Relative luminance 0.866; OKLCH L 94.9% C 0.136 H 104.2°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#FDF381
RGB	rgb(253, 243, 129)
HSL	hsl(55, 97%, 75%)
HSV	hsv(55, 49%, 99%)
CMYK	cmyk(0%, 4%, 49%, 0.8%)
CIE-LAB	lab(94.56, -11.39, 55.67)
CIE-LCH	lch(94.56, 56.82, 101.56°)
OKLab	oklab(94.91% -0.0334 0.132)
OKLCH	oklch(94.91% 0.136 104.2)
XYZ	xyz(76.5231, 86.5711, 33.4436)
Luminance	0.8657 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF381 #818BFD

analogous

#FDB581 #FDF381 #C9FD81

triadic

#FDF381 #81FDF3 #F381FD

tetradic

#FDF381 #81FDB5 #818BFD #FD81C9

square

#FDF381 #81FDB5 #818BFD #FD81C9

split-complementary

#FDF381 #81C9FD #B581FD

monochromatic

#FBE809 #FCED45 #FDF381 #FEF9BD #FFFCE1

Accessibility & contrast

On white

1.15

#FDF381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#FDF381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF381

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF381	#FFFFFF	#000000	##000000
##FDF381	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC77

Deuteranopia (green-blind)

#FFF286

Tritanopia (blue-blind)

#FFE6D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fdf381;
/* rgb */ color: rgb(253, 243, 129);
/* oklch */ color: oklch(94.9% 0.136 104.2);

Tailwind

colors: {
  custom: {
    50: '#fff6a8',
    500: '#fdf381',
    950: '#000000',
  },
}

SCSS

$custom: #fdf381;
$custom-light: #fff6a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf381",
  "rgb": {
    "r": 253,
    "g": 243,
    "b": 129
  },
  "hsl": {
    "h": 55.161,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.94912,
    "c": 0.13616,
    "h": 104.2
  },
  "luminance": 0.86569
}

Semantic roles & 50–950 ramp

primary

#FDF381

secondary

#4753DC

accent

#13E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FDF381

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

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