#FEF77B#FEF77B

#FEF77B is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.7% C 0.146 H 105.9°. Best body text is #000000 at 18.80:1 contrast (WCAG AA passes).

Color values

HEX	#FEF77B
RGB	rgb(254, 247, 123)
HSL	hsl(57, 98%, 74%)
HSV	hsv(57, 52%, 100%)
CMYK	cmyk(0%, 2.8%, 51.6%, 0.4%)
CIE-LAB	lab(95.59, -13.46, 59.67)
CIE-LCH	lch(95.59, 61.17, 102.71°)
OKLab	oklab(95.73% -0.0399 0.1402)
OKLCH	oklch(95.73% 0.146 105.9)
XYZ	xyz(77.7111, 89.0247, 31.8250)
Luminance	0.8902 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF77B #7B82FE

analogous

#FEB67B #FEF77B #C4FE7B

triadic

#FEF77B #7BFEF7 #F77BFE

tetradic

#FEF77B #7BFEB6 #7B82FE #FE7BC4

square

#FEF77B #7BFEB6 #7B82FE #FE7BC4

split-complementary

#FEF77B #7BC4FE #B67BFE

monochromatic

#FDEF02 #FEF33E #FEF77B #FEFBB8 #FFFDE1

Accessibility & contrast

On white

1.12

#FEF77B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.80

#FEF77B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF77B

18.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF77B	#FFFFFF	#000000	##000000
##FEF77B	1.00	1.12	18.80	18.80
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.80	21.00	1.00	1.00
##000000	18.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF6F

Deuteranopia (green-blind)

#FFF581

Tritanopia (blue-blind)

#FFE9DB

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #fef77b;
/* rgb */ color: rgb(254, 247, 123);
/* oklch */ color: oklch(95.7% 0.146 105.9);

Tailwind

colors: {
  custom: {
    50: '#fff9a4',
    500: '#fef77b',
    950: '#000000',
  },
}

SCSS

$custom: #fef77b;
$custom-light: #fff9a4;
$custom-dark: #000000;

JSON

{
  "hex": "#fef77b",
  "rgb": {
    "r": 254,
    "g": 247,
    "b": 123
  },
  "hsl": {
    "h": 56.794,
    "s": 98.496,
    "l": 73.922
  },
  "oklch": {
    "l": 0.95733,
    "c": 0.14575,
    "h": 105.9
  },
  "luminance": 0.89022
}

Semantic roles & 50–950 ramp

primary

#FEF77B

secondary

#4149DC

accent

#0CE600

background

#FFFFFC

surface

#FFFFF6

border

#D7D7D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF77B

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

Preview Lab → · Contrast checker → · Palette generator →