#FEF08B#FEF08B

#FEF08B is a very light, vivid yellow. Relative luminance 0.853; OKLCH L 94.5% C 0.123 H 101.5°. Best body text is #000000 at 18.05:1 contrast (WCAG AA passes).

Color values

HEX	#FEF08B
RGB	rgb(254, 240, 139)
HSL	hsl(53, 98%, 77%)
HSV	hsv(53, 45%, 100%)
CMYK	cmyk(0%, 5.5%, 45.3%, 0.4%)
CIE-LAB	lab(93.99, -8.62, 50.28)
CIE-LCH	lch(93.99, 51.02, 99.73°)
OKLab	oklab(94.52% -0.0245 0.1208)
OKLCH	oklch(94.52% 0.123 101.5)
XYZ	xyz(76.6952, 85.2575, 36.8374)
Luminance	0.8526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF08B #8B99FE

analogous

#FEB78B #FEF08B #D2FE8B

triadic

#FEF08B #8BFEF0 #F08BFE

tetradic

#FEF08B #8BFEB7 #8B99FE #FE8BD2

square

#FEF08B #8BFEB7 #8B99FE #FE8BD2

split-complementary

#FEF08B #8BD2FE #B78BFE

monochromatic

#FDE012 #FDE84E #FEF08B #FFF8C8 #FFFBE1

Accessibility & contrast

On white

1.16

#FEF08B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.05

#FEF08B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF08B

18.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF08B	#FFFFFF	#000000	##000000
##FEF08B	1.00	1.16	18.05	18.05
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.05	21.00	1.00	1.00
##000000	18.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA83

Deuteranopia (green-blind)

#FFF18F

Tritanopia (blue-blind)

#FFE3D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef08b;
/* rgb */ color: rgb(254, 240, 139);
/* oklch */ color: oklch(94.5% 0.123 101.5);

Tailwind

colors: {
  custom: {
    50: '#fff4ae',
    500: '#fef08b',
    950: '#000000',
  },
}

SCSS

$custom: #fef08b;
$custom-light: #fff4ae;
$custom-dark: #000000;

JSON

{
  "hex": "#fef08b",
  "rgb": {
    "r": 254,
    "g": 240,
    "b": 139
  },
  "hsl": {
    "h": 52.696,
    "s": 98.291,
    "l": 77.059
  },
  "oklch": {
    "l": 0.94524,
    "c": 0.12329,
    "h": 101.5
  },
  "luminance": 0.85255
}

Semantic roles & 50–950 ramp

primary

#FEF08B

secondary

#4F60DE

accent

#1CE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FEF08B

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

Preview Lab → · Contrast checker → · Palette generator →