#FDF581#FDF581

#FDF581 is a very light, vivid yellow. Relative luminance 0.878; OKLCH L 95.3% C 0.138 H 105.2°. Best body text is #000000 at 18.55:1 contrast (WCAG AA passes).

Color values

HEX	#FDF581
RGB	rgb(253, 245, 129)
HSL	hsl(56, 97%, 75%)
HSV	hsv(56, 49%, 99%)
CMYK	cmyk(0%, 3.2%, 49%, 0.8%)
CIE-LAB	lab(95.07, -12.37, 56.28)
CIE-LCH	lch(95.07, 57.63, 102.40°)
OKLab	oklab(95.32% -0.0362 0.1333)
OKLCH	oklch(95.32% 0.138 105.2)
XYZ	xyz(77.1249, 87.7747, 33.6441)
Luminance	0.8777 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF581 #8189FD

analogous

#FDB781 #FDF581 #C7FD81

triadic

#FDF581 #81FDF5 #F581FD

tetradic

#FDF581 #81FDB7 #8189FD #FD81C7

square

#FDF581 #81FDB7 #8189FD #FD81C7

split-complementary

#FDF581 #81C7FD #B781FD

monochromatic

#FBEB09 #FCF045 #FDF581 #FEFABD #FFFDE1

Accessibility & contrast

On white

1.13

#FDF581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.55

#FDF581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF581

18.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF581	#FFFFFF	#000000	##000000
##FDF581	1.00	1.13	18.55	18.55
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.55	21.00	1.00	1.00
##000000	18.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE77

Deuteranopia (green-blind)

#FFF386

Tritanopia (blue-blind)

#FFE8DA

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fdf581;
/* rgb */ color: rgb(253, 245, 129);
/* oklch */ color: oklch(95.3% 0.138 105.2);

Tailwind

colors: {
  custom: {
    50: '#fff8a8',
    500: '#fdf581',
    950: '#000000',
  },
}

SCSS

$custom: #fdf581;
$custom-light: #fff8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf581",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 56.129,
    "s": 96.875,
    "l": 74.902
  },
  "oklch": {
    "l": 0.95317,
    "c": 0.13816,
    "h": 105.2
  },
  "luminance": 0.87772
}

Semantic roles & 50–950 ramp

primary

#FDF581

secondary

#4750DC

accent

#0FE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FDF581

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

Preview Lab → · Contrast checker → · Palette generator →