#FDF37C#FDF37C

#FDF37C is a very light, vivid yellow. Relative luminance 0.864; OKLCH L 94.8% C 0.141 H 104.4°. Best body text is #000000 at 18.29:1 contrast (WCAG AA passes).

Color values

HEX	#FDF37C
RGB	rgb(253, 243, 124)
HSL	hsl(55, 97%, 74%)
HSV	hsv(55, 51%, 99%)
CMYK	cmyk(0%, 4%, 51%, 0.8%)
CIE-LAB	lab(94.50, -11.81, 57.91)
CIE-LCH	lch(94.50, 59.11, 101.53°)
OKLab	oklab(94.85% -0.0351 0.1365)
OKLCH	oklch(94.85% 0.141 104.4)
XYZ	xyz(76.1988, 86.4414, 31.7359)
Luminance	0.8644 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF37C #7C86FD

analogous

#FDB37C #FDF37C #C7FD7C

triadic

#FDF37C #7CFDF3 #F37CFD

tetradic

#FDF37C #7CFDB3 #7C86FD #FD7CC7

square

#FDF37C #7CFDB3 #7C86FD #FD7CC7

split-complementary

#FDF37C #7CC7FD #B37CFD

monochromatic

#FBE804 #FCED40 #FDF37C #FEF9B8 #FFFCE1

Accessibility & contrast

On white

1.15

#FDF37C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.29

#FDF37C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF37C

18.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF37C	#FFFFFF	#000000	##000000
##FDF37C	1.00	1.15	18.29	18.29
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.29	21.00	1.00	1.00
##000000	18.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC71

Deuteranopia (green-blind)

#FFF282

Tritanopia (blue-blind)

#FFE5D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fdf37c;
/* rgb */ color: rgb(253, 243, 124);
/* oklch */ color: oklch(94.8% 0.141 104.4);

Tailwind

colors: {
  custom: {
    50: '#fff6a5',
    500: '#fdf37c',
    950: '#000000',
  },
}

SCSS

$custom: #fdf37c;
$custom-light: #fff6a5;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf37c",
  "rgb": {
    "r": 253,
    "g": 243,
    "b": 124
  },
  "hsl": {
    "h": 55.349,
    "s": 96.992,
    "l": 73.922
  },
  "oklch": {
    "l": 0.9485,
    "c": 0.1409,
    "h": 104.4
  },
  "luminance": 0.86439
}

Semantic roles & 50–950 ramp

primary

#FDF37C

secondary

#424EDB

accent

#12E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FDF37C

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

Preview Lab → · Contrast checker → · Palette generator →