#FEF09B#FEF09B

#FEF09B is a very light, moderate yellow. Relative luminance 0.858; OKLCH L 94.8% C 0.106 H 100.1°. Best body text is #000000 at 18.15:1 contrast (WCAG AA passes).

Color values

HEX	#FEF09B
RGB	rgb(254, 240, 155)
HSL	hsl(52, 98%, 80%)
HSV	hsv(52, 39%, 100%)
CMYK	cmyk(0%, 5.5%, 39%, 0.4%)
CIE-LAB	lab(94.21, -7.02, 42.77)
CIE-LCH	lch(94.21, 43.34, 99.32°)
OKLab	oklab(94.77% -0.0186 0.1047)
OKLCH	oklch(94.77% 0.106 100.1)
XYZ	xyz(77.9510, 85.7598, 43.4511)
Luminance	0.8576 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF09B #9BA9FE

analogous

#FEBE9B #FEF09B #DBFE9B

triadic

#FEF09B #9BFEF0 #F09BFE

tetradic

#FEF09B #9BFEBE #9BA9FE #FE9BDB

square

#FEF09B #9BFEBE #9BA9FE #FE9BDB

split-complementary

#FEF09B #9BDBFE #BE9BFE

monochromatic

#FDDE22 #FDE75E #FEF09B #FFF9D8 #FFFAE1

Accessibility & contrast

On white

1.16

#FEF09B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.15

#FEF09B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF09B

18.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF09B	#FFFFFF	#000000	##000000
##FEF09B	1.00	1.16	18.15	18.15
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.15	21.00	1.00	1.00
##000000	18.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB95

Deuteranopia (green-blind)

#FFF19E

Tritanopia (blue-blind)

#FFE5DB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef09b;
/* rgb */ color: rgb(254, 240, 155);
/* oklch */ color: oklch(94.8% 0.106 100.1);

Tailwind

colors: {
  custom: {
    50: '#fff4b9',
    500: '#fef09b',
    950: '#000000',
  },
}

SCSS

$custom: #fef09b;
$custom-light: #fff4b9;
$custom-dark: #000000;

JSON

{
  "hex": "#fef09b",
  "rgb": {
    "r": 254,
    "g": 240,
    "b": 155
  },
  "hsl": {
    "h": 51.515,
    "s": 98.02,
    "l": 80.196
  },
  "oklch": {
    "l": 0.94765,
    "c": 0.10635,
    "h": 100.1
  },
  "luminance": 0.85758
}

Semantic roles & 50–950 ramp

primary

#FEF09B

secondary

#5C6FE1

accent

#20E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF09B

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

Preview Lab → · Contrast checker → · Palette generator →