#FEF58B#FEF58B

#FEF58B is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.5% C 0.128 H 104.3°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#FEF58B
RGB	rgb(254, 245, 139)
HSL	hsl(55, 98%, 77%)
HSV	hsv(55, 45%, 100%)
CMYK	cmyk(0%, 3.5%, 45.3%, 0.4%)
CIE-LAB	lab(95.26, -11.09, 51.85)
CIE-LCH	lch(95.26, 53.02, 102.07°)
OKLab	oklab(95.53% -0.0316 0.1243)
OKLCH	oklch(95.53% 0.128 104.3)
XYZ	xyz(78.1875, 88.2419, 37.3348)
Luminance	0.8824 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF58B #8B94FE

analogous

#FEBB8B #FEF58B #CEFE8B

triadic

#FEF58B #8BFEF5 #F58BFE

tetradic

#FEF58B #8BFEBB #8B94FE #FE8BCE

square

#FEF58B #8BFEBB #8B94FE #FE8BCE

split-complementary

#FEF58B #8BCEFE #BB8BFE

monochromatic

#FDEB12 #FDF04E #FEF58B #FFFAC8 #FFFCE1

Accessibility & contrast

On white

1.13

#FEF58B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#FEF58B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF58B

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF58B	#FFFFFF	#000000	##000000
##FEF58B	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE82

Deuteranopia (green-blind)

#FFF490

Tritanopia (blue-blind)

#FFE8DC

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef58b;
/* rgb */ color: rgb(254, 245, 139);
/* oklch */ color: oklch(95.5% 0.128 104.3);

Tailwind

colors: {
  custom: {
    50: '#fff8af',
    500: '#fef58b',
    950: '#000000',
  },
}

SCSS

$custom: #fef58b;
$custom-light: #fff8af;
$custom-dark: #000000;

JSON

{
  "hex": "#fef58b",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 139
  },
  "hsl": {
    "h": 55.304,
    "s": 98.291,
    "l": 77.059
  },
  "oklch": {
    "l": 0.95531,
    "c": 0.12826,
    "h": 104.3
  },
  "luminance": 0.8824
}

Semantic roles & 50–950 ramp

primary

#FEF58B

secondary

#4F5ADE

accent

#12E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FEF58B

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

Preview Lab → · Contrast checker → · Palette generator →