#FDF39B#FDF39B

#FDF39B is a very light, moderate yellow. Relative luminance 0.874; OKLCH L 95.3% C 0.109 H 102.6°. Best body text is #000000 at 18.47:1 contrast (WCAG AA passes).

Color values

HEX	#FDF39B
RGB	rgb(253, 243, 155)
HSL	hsl(54, 96%, 80%)
HSV	hsv(54, 39%, 99%)
CMYK	cmyk(0%, 4%, 38.7%, 0.8%)
CIE-LAB	lab(94.89, -8.89, 43.62)
CIE-LCH	lch(94.89, 44.52, 101.52°)
OKLab	oklab(95.28% -0.0239 0.1067)
OKLCH	oklch(95.28% 0.109 102.6)
XYZ	xyz(78.4763, 87.3524, 43.7308)
Luminance	0.8735 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF39B #9BA5FD

analogous

#FDC29B #FDF39B #D6FD9B

triadic

#FDF39B #9BFDF3 #F39BFD

tetradic

#FDF39B #9BFDC2 #9BA5FD #FD9BD6

square

#FDF39B #9BFDC2 #9BA5FD #FD9BD6

split-complementary

#FDF39B #9BD6FD #C29BFD

monochromatic

#FBE523 #FCEC5F #FDF39B #FEFAD7 #FEFBE1

Accessibility & contrast

On white

1.14

#FDF39B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.47

#FDF39B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF39B

18.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF39B	#FFFFFF	#000000	##000000
##FDF39B	1.00	1.14	18.47	18.47
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.47	21.00	1.00	1.00
##000000	18.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED94

Deuteranopia (green-blind)

#FFF39F

Tritanopia (blue-blind)

#FFE8DD

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #fdf39b;
/* rgb */ color: rgb(253, 243, 155);
/* oklch */ color: oklch(95.3% 0.109 102.6);

Tailwind

colors: {
  custom: {
    50: '#fff6b9',
    500: '#fdf39b',
    950: '#000000',
  },
}

SCSS

$custom: #fdf39b;
$custom-light: #fff6b9;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf39b",
  "rgb": {
    "r": 253,
    "g": 243,
    "b": 155
  },
  "hsl": {
    "h": 53.878,
    "s": 96.078,
    "l": 80
  },
  "oklch": {
    "l": 0.95283,
    "c": 0.10933,
    "h": 102.6
  },
  "luminance": 0.8735
}

Semantic roles & 50–950 ramp

primary

#FDF39B

secondary

#5D6ADF

accent

#17E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FDF39B

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

Preview Lab → · Contrast checker → · Palette generator →