#FBF591#FBF591

#FBF591 is a very light, vivid yellow. Relative luminance 0.879; OKLCH L 95.4% C 0.122 H 105.5°. Best body text is #000000 at 18.57:1 contrast (WCAG AA passes).

Color values

HEX	#FBF591
RGB	rgb(251, 245, 145)
HSL	hsl(57, 93%, 78%)
HSV	hsv(57, 42%, 98%)
CMYK	cmyk(0%, 2.4%, 42.2%, 1.6%)
CIE-LAB	lab(95.10, -11.68, 48.73)
CIE-LCH	lch(95.10, 50.11, 103.47°)
OKLab	oklab(95.37% -0.0326 0.1178)
OKLCH	oklch(95.37% 0.122 105.5)
XYZ	xyz(77.5484, 87.8603, 39.6563)
Luminance	0.8786 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FBF591 #9197FB

analogous

#FBC091 #FBF591 #CCFB91

triadic

#FBF591 #91FBF5 #F591FB

tetradic

#FBF591 #91FBC0 #9197FB #FB91CC

square

#FBF591 #91FBC0 #9197FB #FB91CC

split-complementary

#FBF591 #91CCFB #C091FB

monochromatic

#F7EA1B #F9F056 #FBF591 #FDFACC #FEFCE1

Accessibility & contrast

On white

1.13

#FBF591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.57

#FBF591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FBF591

18.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FBF591	#FFFFFF	#000000	##000000
##FBF591	1.00	1.13	18.57	18.57
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.57	21.00	1.00	1.00
##000000	18.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE89

Deuteranopia (green-blind)

#FFF395

Tritanopia (blue-blind)

#FFE9DD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fbf591;
/* rgb */ color: rgb(251, 245, 145);
/* oklch */ color: oklch(95.4% 0.122 105.5);

Tailwind

colors: {
  custom: {
    50: '#fef8b3',
    500: '#fbf591',
    950: '#000000',
  },
}

SCSS

$custom: #fbf591;
$custom-light: #fef8b3;
$custom-dark: #000000;

JSON

{
  "hex": "#fbf591",
  "rgb": {
    "r": 251,
    "g": 245,
    "b": 145
  },
  "hsl": {
    "h": 56.604,
    "s": 92.982,
    "l": 77.647
  },
  "oklch": {
    "l": 0.95371,
    "c": 0.12218,
    "h": 105.5
  },
  "luminance": 0.87858
}

Semantic roles & 50–950 ramp

primary

#FBF591

secondary

#555DDB

accent

#0DE600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FBF591

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

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