#FEF478#FEF478

#FEF478 is a very light, vivid yellow. Relative luminance 0.871; OKLCH L 95.1% C 0.146 H 104.6°. Best body text is #000000 at 18.43:1 contrast (WCAG AA passes).

Color values

HEX	#FEF478
RGB	rgb(254, 244, 120)
HSL	hsl(56, 99%, 73%)
HSV	hsv(56, 53%, 100%)
CMYK	cmyk(0%, 3.9%, 52.8%, 0.4%)
CIE-LAB	lab(94.79, -12.23, 60.09)
CIE-LCH	lch(94.79, 61.33, 101.50°)
OKLab	oklab(95.09% -0.0367 0.1408)
OKLCH	oklch(95.09% 0.146 104.6)
XYZ	xyz(76.6162, 87.1307, 30.5477)
Luminance	0.8713 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF478 #7882FE

analogous

#FEB178 #FEF478 #C5FE78

triadic

#FEF478 #78FEF4 #F478FE

tetradic

#FEF478 #78FEB1 #7882FE #FE78C5

square

#FEF478 #78FEB1 #7882FE #FE78C5

split-complementary

#FEF478 #78C5FE #B178FE

monochromatic

#FAE702 #FEEF3B #FEF478 #FEF9B5 #FFFDE1

Accessibility & contrast

On white

1.14

#FEF478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.43

#FEF478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF478

18.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF478	#FFFFFF	#000000	##000000
##FEF478	1.00	1.14	18.43	18.43
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.43	21.00	1.00	1.00
##000000	18.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6C

Deuteranopia (green-blind)

#FFF37E

Tritanopia (blue-blind)

#FFE6D8

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fef478;
/* rgb */ color: rgb(254, 244, 120);
/* oklch */ color: oklch(95.1% 0.146 104.6);

Tailwind

colors: {
  custom: {
    50: '#fff7a2',
    500: '#fef478',
    950: '#000000',
  },
}

SCSS

$custom: #fef478;
$custom-light: #fff7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fef478",
  "rgb": {
    "r": 254,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 55.522,
    "s": 98.529,
    "l": 73.333
  },
  "oklch": {
    "l": 0.95089,
    "c": 0.14552,
    "h": 104.6
  },
  "luminance": 0.87128
}

Semantic roles & 50–950 ramp

primary

#FEF478

secondary

#3F4ADC

accent

#11E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF478

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

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