#FEF78F#FEF78F

#FEF78F is a very light, vivid yellow. Relative luminance 0.896; OKLCH L 96.0% C 0.126 H 105.1°. Best body text is #000000 at 18.92:1 contrast (WCAG AA passes).

Color values

HEX	#FEF78F
RGB	rgb(254, 247, 143)
HSL	hsl(56, 98%, 78%)
HSV	hsv(56, 44%, 100%)
CMYK	cmyk(0%, 2.8%, 43.7%, 0.4%)
CIE-LAB	lab(95.82, -11.69, 50.63)
CIE-LCH	lch(95.82, 51.96, 103.00°)
OKLab	oklab(95.99% -0.033 0.1219)
OKLCH	oklch(95.99% 0.126 105.1)
XYZ	xyz(79.0934, 89.5776, 39.1051)
Luminance	0.8958 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF78F #8F96FE

analogous

#FEBF8F #FEF78F #CEFE8F

triadic

#FEF78F #8FFEF7 #F78FFE

tetradic

#FEF78F #8FFEBF #8F96FE #FE8FCE

square

#FEF78F #8FFEBF #8F96FE #FE8FCE

split-complementary

#FEF78F #8FCEFE #BF8FFE

monochromatic

#FDEE16 #FDF352 #FEF78F #FFFBCC #FFFDE1

Accessibility & contrast

On white

1.11

#FEF78F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.92

#FEF78F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF78F

18.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF78F	#FFFFFF	#000000	##000000
##FEF78F	1.00	1.11	18.92	18.92
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.92	21.00	1.00	1.00
##000000	18.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF087

Deuteranopia (green-blind)

#FFF594

Tritanopia (blue-blind)

#FFEBDE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #fef78f;
/* rgb */ color: rgb(254, 247, 143);
/* oklch */ color: oklch(96.0% 0.126 105.1);

Tailwind

colors: {
  custom: {
    50: '#fff9b1',
    500: '#fef78f',
    950: '#000000',
  },
}

SCSS

$custom: #fef78f;
$custom-light: #fff9b1;
$custom-dark: #000000;

JSON

{
  "hex": "#fef78f",
  "rgb": {
    "r": 254,
    "g": 247,
    "b": 143
  },
  "hsl": {
    "h": 56.216,
    "s": 98.23,
    "l": 77.843
  },
  "oklch": {
    "l": 0.95991,
    "c": 0.12625,
    "h": 105.1
  },
  "luminance": 0.89576
}

Semantic roles & 50–950 ramp

primary

#FEF78F

secondary

#525BDF

accent

#0EE600

background

#FFFFFD

surface

#FFFFF8

border

#D7D7D1

text

#181711

muted

#868581

Preview Lab

Preview with #FEF78F

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

Preview Lab → · Contrast checker → · Palette generator →