#FBF381#FBF381

#FBF381 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.7% C 0.136 H 105.1°. Best body text is #000000 at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#FBF381
RGB	rgb(251, 243, 129)
HSL	hsl(56, 94%, 75%)
HSV	hsv(56, 49%, 98%)
CMYK	cmyk(0%, 3.2%, 48.6%, 1.6%)
CIE-LAB	lab(94.40, -12.18, 55.44)
CIE-LCH	lch(94.40, 56.76, 102.39°)
OKLab	oklab(94.75% -0.0355 0.1315)
OKLCH	oklch(94.75% 0.136 105.1)
XYZ	xyz(75.7986, 86.1976, 33.4096)
Luminance	0.8619 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF381 #8189FB

analogous

#FBB681 #FBF381 #C6FB81

triadic

#FBF381 #81FBF3 #F381FB

tetradic

#FBF381 #81FBB6 #8189FB #FB81C6

square

#FBF381 #81FBB6 #8189FB #FB81C6

split-complementary

#FBF381 #81C6FB #B681FB

monochromatic

#F7E80A #F9ED46 #FBF381 #FDF9BC #FEFCE1

Accessibility & contrast

On white

1.15

#FBF381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.24

#FBF381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF381

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF381	#FFFFFF	#000000	##000000
##FBF381	1.00	1.15	18.24	18.24
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.24	21.00	1.00	1.00
##000000	18.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC77

Deuteranopia (green-blind)

#FFF186

Tritanopia (blue-blind)

#FFE6D9

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fbf381;
/* rgb */ color: rgb(251, 243, 129);
/* oklch */ color: oklch(94.7% 0.136 105.1);

Tailwind

colors: {
  custom: {
    50: '#fff6a8',
    500: '#fbf381',
    950: '#000000',
  },
}

SCSS

$custom: #fbf381;
$custom-light: #fff6a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf381",
  "rgb": {
    "r": 251,
    "g": 243,
    "b": 129
  },
  "hsl": {
    "h": 56.066,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.94747,
    "c": 0.13624,
    "h": 105.1
  },
  "luminance": 0.86195
}

Semantic roles & 50–950 ramp

primary

#FBF381

secondary

#4751D9

accent

#0FE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FBF381

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

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