#FDF591#FDF591

#FDF591 is a very light, vivid yellow. Relative luminance 0.882; OKLCH L 95.5% C 0.122 H 104.5°. Best body text is #000000 at 18.65:1 contrast (WCAG AA passes).

Color values

HEX	#FDF591
RGB	rgb(253, 245, 145)
HSL	hsl(56, 96%, 78%)
HSV	hsv(56, 43%, 99%)
CMYK	cmyk(0%, 3.2%, 42.7%, 0.8%)
CIE-LAB	lab(95.26, -10.90, 48.96)
CIE-LCH	lch(95.26, 50.16, 102.56°)
OKLab	oklab(95.53% -0.0305 0.1182)
OKLCH	oklch(95.53% 0.122 104.5)
XYZ	xyz(78.2728, 88.2339, 39.6902)
Luminance	0.8823 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF591 #9199FD

analogous

#FDBF91 #FDF591 #CFFD91

triadic

#FDF591 #91FDF5 #F591FD

tetradic

#FDF591 #91FDBF #9199FD #FD91CF

square

#FDF591 #91FDBF #9199FD #FD91CF

split-complementary

#FDF591 #91CFFD #BF91FD

monochromatic

#FBEA19 #FCF055 #FDF591 #FEFACD #FEFCE1

Accessibility & contrast

On white

1.13

#FDF591 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.65

#FDF591 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF591

18.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF591	#FFFFFF	#000000	##000000
##FDF591	1.00	1.13	18.65	18.65
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.65	21.00	1.00	1.00
##000000	18.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE89

Deuteranopia (green-blind)

#FFF495

Tritanopia (blue-blind)

#FFE9DD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #fdf591;
/* rgb */ color: rgb(253, 245, 145);
/* oklch */ color: oklch(95.5% 0.122 104.5);

Tailwind

colors: {
  custom: {
    50: '#fff8b3',
    500: '#fdf591',
    950: '#000000',
  },
}

SCSS

$custom: #fdf591;
$custom-light: #fff8b3;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf591",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 145
  },
  "hsl": {
    "h": 55.556,
    "s": 96.429,
    "l": 78.039
  },
  "oklch": {
    "l": 0.95534,
    "c": 0.12211,
    "h": 104.5
  },
  "luminance": 0.88232
}

Semantic roles & 50–950 ramp

primary

#FDF591

secondary

#545FDE

accent

#11E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FDF591

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

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