#FEF78C#FEF78C

#FEF78C is a very light, vivid yellow. Relative luminance 0.895; OKLCH L 95.9% C 0.129 H 105.3°. Best body text is #000000 at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#FEF78C
RGB	rgb(254, 247, 140)
HSL	hsl(56, 98%, 77%)
HSV	hsv(56, 45%, 100%)
CMYK	cmyk(0%, 2.8%, 44.9%, 0.4%)
CIE-LAB	lab(95.78, -11.98, 52.01)
CIE-LCH	lch(95.78, 53.37, 102.97°)
OKLab	oklab(95.95% -0.0341 0.1247)
OKLCH	oklch(95.95% 0.129 105.3)
XYZ	xyz(78.8692, 89.4879, 37.9242)
Luminance	0.8949 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF78C #8C93FE

analogous

#FEBE8C #FEF78C #CCFE8C

triadic

#FEF78C #8CFEF7 #F78CFE

tetradic

#FEF78C #8CFEBE #8C93FE #FE8CCC

square

#FEF78C #8CFEBE #8C93FE #FE8CCC

split-complementary

#FEF78C #8CCCFE #BE8CFE

monochromatic

#FDEF13 #FDF34F #FEF78C #FFFBC9 #FFFDE1

Accessibility & contrast

On white

1.11

#FEF78C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.90

#FEF78C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF78C

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF78C	#FFFFFF	#000000	##000000
##FEF78C	1.00	1.11	18.90	18.90
#FFFFFF	1.11	1.00	21.00	21.00
#000000	18.90	21.00	1.00	1.00
##000000	18.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF083

Deuteranopia (green-blind)

#FFF591

Tritanopia (blue-blind)

#FFEADE

Achromatopsia (no color)

#F3F3F3

Design tokens & code

CSS

--color: #fef78c;
/* rgb */ color: rgb(254, 247, 140);
/* oklch */ color: oklch(95.9% 0.129 105.3);

Tailwind

colors: {
  custom: {
    50: '#fff9af',
    500: '#fef78c',
    950: '#000000',
  },
}

SCSS

$custom: #fef78c;
$custom-light: #fff9af;
$custom-dark: #000000;

JSON

{
  "hex": "#fef78c",
  "rgb": {
    "r": 254,
    "g": 247,
    "b": 140
  },
  "hsl": {
    "h": 56.316,
    "s": 98.276,
    "l": 77.255
  },
  "oklch": {
    "l": 0.95949,
    "c": 0.12931,
    "h": 105.3
  },
  "luminance": 0.89486
}

Semantic roles & 50–950 ramp

primary

#FEF78C

secondary

#5058DF

accent

#0EE600

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#181711

muted

#868581

Preview Lab

Preview with #FEF78C

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

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