#FDF37F#FDF37F

#FDF37F is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.9% C 0.138 H 104.3°. Best body text is #000000 at 18.30:1 contrast (WCAG AA passes).

Color values

HEX	#FDF37F
RGB	rgb(253, 243, 127)
HSL	hsl(55, 97%, 75%)
HSV	hsv(55, 50%, 99%)
CMYK	cmyk(0%, 4%, 49.8%, 0.8%)
CIE-LAB	lab(94.53, -11.56, 56.57)
CIE-LCH	lch(94.53, 57.74, 101.55°)
OKLab	oklab(94.89% -0.0341 0.1338)
OKLCH	oklch(94.89% 0.138 104.3)
XYZ	xyz(76.3914, 86.5185, 32.7503)
Luminance	0.8652 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF37F #7F89FD

analogous

#FDB47F #FDF37F #C8FD7F

triadic

#FDF37F #7FFDF3 #F37FFD

tetradic

#FDF37F #7FFDB4 #7F89FD #FD7FC8

square

#FDF37F #7FFDB4 #7F89FD #FD7FC8

split-complementary

#FDF37F #7FC8FD #B47FFD

monochromatic

#FBE806 #FCED43 #FDF37F #FEF9BB #FFFCE1

Accessibility & contrast

On white

1.15

#FDF37F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.30

#FDF37F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF37F

18.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF37F	#FFFFFF	#000000	##000000
##FDF37F	1.00	1.15	18.30	18.30
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.30	21.00	1.00	1.00
##000000	18.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC75

Deuteranopia (green-blind)

#FFF284

Tritanopia (blue-blind)

#FFE6D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fdf37f;
/* rgb */ color: rgb(253, 243, 127);
/* oklch */ color: oklch(94.9% 0.138 104.3);

Tailwind

colors: {
  custom: {
    50: '#fff6a7',
    500: '#fdf37f',
    950: '#000000',
  },
}

SCSS

$custom: #fdf37f;
$custom-light: #fff6a7;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf37f",
  "rgb": {
    "r": 253,
    "g": 243,
    "b": 127
  },
  "hsl": {
    "h": 55.238,
    "s": 96.923,
    "l": 74.51
  },
  "oklch": {
    "l": 0.94887,
    "c": 0.13808,
    "h": 104.3
  },
  "luminance": 0.86516
}

Semantic roles & 50–950 ramp

primary

#FDF37F

secondary

#4551DB

accent

#12E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#181710

muted

#868580

Preview Lab

Preview with #FDF37F

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

Preview Lab → · Contrast checker → · Palette generator →