#FBF581#FBF581

#FBF581 is a very light, vivid yellow. Relative luminance 0.874; OKLCH L 95.2% C 0.138 H 106.1°. Best body text is #000000 at 18.48:1 contrast (WCAG AA passes).

Color values

HEX	#FBF581
RGB	rgb(251, 245, 129)
HSL	hsl(57, 94%, 75%)
HSV	hsv(57, 49%, 98%)
CMYK	cmyk(0%, 2.4%, 48.6%, 1.6%)
CIE-LAB	lab(94.91, -13.16, 56.06)
CIE-LCH	lch(94.91, 57.58, 103.21°)
OKLab	oklab(95.15% -0.0383 0.1329)
OKLCH	oklch(95.15% 0.138 106.1)
XYZ	xyz(76.4004, 87.4011, 33.6102)
Luminance	0.8740 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF581 #8187FB

analogous

#FBB881 #FBF581 #C4FB81

triadic

#FBF581 #81FBF5 #F581FB

tetradic

#FBF581 #81FBB8 #8187FB #FB81C4

square

#FBF581 #81FBB8 #8187FB #FB81C4

split-complementary

#FBF581 #81C4FB #B881FB

monochromatic

#F7EC0A #F9F046 #FBF581 #FDFABC #FEFDE1

Accessibility & contrast

On white

1.14

#FBF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.48

#FBF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF581

18.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF581	#FFFFFF	#000000	##000000
##FBF581	1.00	1.14	18.48	18.48
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.48	21.00	1.00	1.00
##000000	18.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED77

Deuteranopia (green-blind)

#FFF387

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fbf581;
/* rgb */ color: rgb(251, 245, 129);
/* oklch */ color: oklch(95.2% 0.138 106.1);

Tailwind

colors: {
  custom: {
    50: '#fff8a8',
    500: '#fbf581',
    950: '#000000',
  },
}

SCSS

$custom: #fbf581;
$custom-light: #fff8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf581",
  "rgb": {
    "r": 251,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 57.049,
    "s": 93.846,
    "l": 74.51
  },
  "oklch": {
    "l": 0.95154,
    "c": 0.13829,
    "h": 106.1
  },
  "luminance": 0.87399
}

Semantic roles & 50–950 ramp

primary

#FBF581

secondary

#474ED9

accent

#0BE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FBF581

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

Preview Lab → · Contrast checker → · Palette generator →