#FFF381#FFF381

#FFF381 is a very light, vivid yellow. Relative luminance 0.869; OKLCH L 95.1% C 0.136 H 103.3°. Best body text is #000000 at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#FFF381
RGB	rgb(255, 243, 129)
HSL	hsl(54, 100%, 75%)
HSV	hsv(54, 49%, 100%)
CMYK	cmyk(0%, 4.7%, 49.4%, 0%)
CIE-LAB	lab(94.72, -10.60, 55.90)
CIE-LCH	lch(94.72, 56.90, 100.74°)
OKLab	oklab(95.08% -0.0312 0.1325)
OKLCH	oklch(95.08% 0.136 103.3)
XYZ	xyz(77.2552, 86.9486, 33.4779)
Luminance	0.8695 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFF381 #818DFF

analogous

#FFB481 #FFF381 #CCFF81

triadic

#FFF381 #81FFF3 #F381FF

tetradic

#FFF381 #81FFB4 #818DFF #FF81CC

square

#FFF381 #81FFB4 #818DFF #FF81CC

split-complementary

#FFF381 #81CCFF #B481FF

monochromatic

#FFE707 #FFED44 #FFF381 #FFF9BE #FFFCE0

Accessibility & contrast

On white

1.14

#FFF381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.39

#FFF381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFF381

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFF381	#FFFFFF	#000000	##000000
##FFF381	1.00	1.14	18.39	18.39
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.39	21.00	1.00	1.00
##000000	18.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC77

Deuteranopia (green-blind)

#FFF386

Tritanopia (blue-blind)

#FFE6D9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fff381;
/* rgb */ color: rgb(255, 243, 129);
/* oklch */ color: oklch(95.1% 0.136 103.3);

Tailwind

colors: {
  custom: {
    50: '#fff6a8',
    500: '#fff381',
    950: '#000000',
  },
}

SCSS

$custom: #fff381;
$custom-light: #fff6a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fff381",
  "rgb": {
    "r": 255,
    "g": 243,
    "b": 129
  },
  "hsl": {
    "h": 54.286,
    "s": 100,
    "l": 75.294
  },
  "oklch": {
    "l": 0.95078,
    "c": 0.13611,
    "h": 103.3
  },
  "luminance": 0.86946
}

Semantic roles & 50–950 ramp

primary

#FFF381

secondary

#4654DE

accent

#16E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FFF381

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

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