#FEF370#FEF370

#FEF370 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.8% C 0.152 H 104.5°. Best body text is #000000 at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#FEF370
RGB	rgb(254, 243, 112)
HSL	hsl(55, 99%, 72%)
HSV	hsv(55, 56%, 100%)
CMYK	cmyk(0%, 4.3%, 55.9%, 0.4%)
CIE-LAB	lab(94.46, -12.34, 63.27)
CIE-LCH	lch(94.46, 64.46, 101.04°)
OKLab	oklab(94.8% -0.0379 0.1468)
OKLCH	oklch(94.8% 0.152 104.5)
XYZ	xyz(75.8507, 86.3444, 27.9967)
Luminance	0.8634 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF370 #707BFE

analogous

#FEAC70 #FEF370 #C2FE70

triadic

#FEF370 #70FEF3 #F370FE

tetradic

#FEF370 #70FEAC #707BFE #FE70C2

square

#FEF370 #70FEAC #707BFE #FE70C2

split-complementary

#FEF370 #70C2FE #AC70FE

monochromatic

#F2DF02 #FEEE33 #FEF370 #FEF8AD #FFFCE1

Accessibility & contrast

On white

1.15

#FEF370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.27

#FEF370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF370

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF370	#FFFFFF	#000000	##000000
##FEF370	1.00	1.15	18.27	18.27
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.27	21.00	1.00	1.00
##000000	18.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB63

Deuteranopia (green-blind)

#FFF277

Tritanopia (blue-blind)

#FFE5D6

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fef370;
/* rgb */ color: rgb(254, 243, 112);
/* oklch */ color: oklch(94.8% 0.152 104.5);

Tailwind

colors: {
  custom: {
    50: '#fff69d',
    500: '#fef370',
    950: '#000000',
  },
}

SCSS

$custom: #fef370;
$custom-light: #fff69d;
$custom-dark: #000000;

JSON

{
  "hex": "#fef370",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 112
  },
  "hsl": {
    "h": 55.352,
    "s": 98.611,
    "l": 71.765
  },
  "oklch": {
    "l": 0.94798,
    "c": 0.15161,
    "h": 104.5
  },
  "luminance": 0.86342
}

Semantic roles & 50–950 ramp

primary

#FEF370

secondary

#3844DA

accent

#12E600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF370

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

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