#FEF09C#FEF09C

#FEF09C is a very light, moderate yellow. Relative luminance 0.858; OKLCH L 94.8% C 0.105 H 99.9°. Best body text is #000000 at 18.16:1 contrast (WCAG AA passes).

Color values

HEX	#FEF09C
RGB	rgb(254, 240, 156)
HSL	hsl(51, 98%, 80%)
HSV	hsv(51, 39%, 100%)
CMYK	cmyk(0%, 5.5%, 38.6%, 0.4%)
CIE-LAB	lab(94.22, -6.91, 42.30)
CIE-LCH	lch(94.22, 42.86, 99.28°)
OKLab	oklab(94.78% -0.0182 0.1037)
OKLCH	oklch(94.78% 0.105 99.9)
XYZ	xyz(78.0353, 85.7935, 43.8952)
Luminance	0.8579 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF09C #9CAAFE

analogous

#FEBF9C #FEF09C #DBFE9C

triadic

#FEF09C #9CFEF0 #F09CFE

tetradic

#FEF09C #9CFEBF #9CAAFE #FE9CDB

square

#FEF09C #9CFEBF #9CAAFE #FE9CDB

split-complementary

#FEF09C #9CDBFE #BF9CFE

monochromatic

#FDDE23 #FDE75F #FEF09C #FFF9D9 #FFFAE1

Accessibility & contrast

On white

1.16

#FEF09C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.16

#FEF09C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF09C

18.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF09C	#FFFFFF	#000000	##000000
##FEF09C	1.00	1.16	18.16	18.16
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.16	21.00	1.00	1.00
##000000	18.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB96

Deuteranopia (green-blind)

#FFF19F

Tritanopia (blue-blind)

#FFE5DB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef09c;
/* rgb */ color: rgb(254, 240, 156);
/* oklch */ color: oklch(94.8% 0.105 99.9);

Tailwind

colors: {
  custom: {
    50: '#fff4ba',
    500: '#fef09c',
    950: '#000000',
  },
}

SCSS

$custom: #fef09c;
$custom-light: #fff4ba;
$custom-dark: #000000;

JSON

{
  "hex": "#fef09c",
  "rgb": {
    "r": 254,
    "g": 240,
    "b": 156
  },
  "hsl": {
    "h": 51.429,
    "s": 98,
    "l": 80.392
  },
  "oklch": {
    "l": 0.94781,
    "c": 0.10525,
    "h": 99.9
  },
  "luminance": 0.85791
}

Semantic roles & 50–950 ramp

primary

#FEF09C

secondary

#5D70E1

accent

#21E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181712

muted

#868582

Preview Lab

Preview with #FEF09C

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

Preview Lab → · Contrast checker → · Palette generator →