#FEF577#FEF577

#FEF577 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.3% C 0.147 H 105.1°. Best body text is #000000 at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#FEF577
RGB	rgb(254, 245, 119)
HSL	hsl(56, 99%, 73%)
HSV	hsv(56, 53%, 100%)
CMYK	cmyk(0%, 3.5%, 53.1%, 0.4%)
CIE-LAB	lab(95.04, -12.79, 60.83)
CIE-LCH	lch(95.04, 62.16, 101.88°)
OKLab	oklab(95.28% -0.0385 0.1423)
OKLCH	oklch(95.28% 0.147 105.1)
XYZ	xyz(76.8575, 87.7100, 30.3303)
Luminance	0.8771 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF577 #7780FE

analogous

#FEB177 #FEF577 #C3FE77

triadic

#FEF577 #77FEF5 #F577FE

tetradic

#FEF577 #77FEB1 #7780FE #FE77C3

square

#FEF577 #77FEB1 #7780FE #FE77C3

split-complementary

#FEF577 #77C3FE #B177FE

monochromatic

#F9E802 #FEF13A #FEF577 #FEF9B4 #FFFDE1

Accessibility & contrast

On white

1.13

#FEF577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.54

#FEF577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF577

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF577	#FFFFFF	#000000	##000000
##FEF577	1.00	1.13	18.54	18.54
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.54	21.00	1.00	1.00
##000000	18.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6B

Deuteranopia (green-blind)

#FFF37D

Tritanopia (blue-blind)

#FFE7D9

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fef577;
/* rgb */ color: rgb(254, 245, 119);
/* oklch */ color: oklch(95.3% 0.147 105.1);

Tailwind

colors: {
  custom: {
    50: '#fff8a2',
    500: '#fef577',
    950: '#000000',
  },
}

SCSS

$custom: #fef577;
$custom-light: #fff8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fef577",
  "rgb": {
    "r": 254,
    "g": 245,
    "b": 119
  },
  "hsl": {
    "h": 56,
    "s": 98.54,
    "l": 73.137
  },
  "oklch": {
    "l": 0.9528,
    "c": 0.1474,
    "h": 105.1
  },
  "luminance": 0.87708
}

Semantic roles & 50–950 ramp

primary

#FEF577

secondary

#3E48DC

accent

#0FE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF577

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

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