#FBF181#FBF181

#FBF181 is a very light, vivid yellow. Relative luminance 0.850; OKLCH L 94.3% C 0.134 H 104.1°. Best body text is #000000 at 18.00:1 contrast (WCAG AA passes).

Color values

HEX	#FBF181
RGB	rgb(251, 241, 129)
HSL	hsl(55, 94%, 75%)
HSV	hsv(55, 49%, 98%)
CMYK	cmyk(0%, 4%, 48.6%, 1.6%)
CIE-LAB	lab(93.89, -11.19, 54.83)
CIE-LCH	lch(93.89, 55.96, 101.54°)
OKLab	oklab(94.34% -0.0327 0.1302)
OKLCH	oklch(94.34% 0.134 104.1)
XYZ	xyz(75.2034, 85.0071, 33.2112)
Luminance	0.8500 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF181 #818BFB

analogous

#FBB481 #FBF181 #C8FB81

triadic

#FBF181 #81FBF1 #F181FB

tetradic

#FBF181 #81FBB4 #818BFB #FB81C8

square

#FBF181 #81FBB4 #818BFB #FB81C8

split-complementary

#FBF181 #81C8FB #B481FB

monochromatic

#F7E40A #F9EA46 #FBF181 #FDF8BC #FEFCE1

Accessibility & contrast

On white

1.17

#FBF181 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.00

#FBF181 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF181

18.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF181	#FFFFFF	#000000	##000000
##FBF181	1.00	1.17	18.00	18.00
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.00	21.00	1.00	1.00
##000000	18.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA77

Deuteranopia (green-blind)

#FFF086

Tritanopia (blue-blind)

#FFE4D7

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #fbf181;
/* rgb */ color: rgb(251, 241, 129);
/* oklch */ color: oklch(94.3% 0.134 104.1);

Tailwind

colors: {
  custom: {
    50: '#fff5a8',
    500: '#fbf181',
    950: '#000000',
  },
}

SCSS

$custom: #fbf181;
$custom-light: #fff5a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf181",
  "rgb": {
    "r": 251,
    "g": 241,
    "b": 129
  },
  "hsl": {
    "h": 55.082,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.94341,
    "c": 0.13423,
    "h": 104.1
  },
  "luminance": 0.85005
}

Semantic roles & 50–950 ramp

primary

#FBF181

secondary

#4753D9

accent

#13E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FBF181

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

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