#FDF599#FDF599

#FDF599 is a very light, moderate yellow. Relative luminance 0.885; OKLCH L 95.7% C 0.114 H 104.0°. Best body text is #000000 at 18.70:1 contrast (WCAG AA passes).

Color values

HEX	#FDF599
RGB	rgb(253, 245, 153)
HSL	hsl(55, 96%, 80%)
HSV	hsv(55, 40%, 99%)
CMYK	cmyk(0%, 3.2%, 39.5%, 0.8%)
CIE-LAB	lab(95.37, -10.09, 45.22)
CIE-LCH	lch(95.37, 46.33, 102.58°)
OKLab	oklab(95.65% -0.0275 0.1102)
OKLCH	oklch(95.65% 0.114 104)
XYZ	xyz(78.9116, 88.4894, 43.0541)
Luminance	0.8849 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF599 #99A1FD

analogous

#FDC399 #FDF599 #D3FD99

triadic

#FDF599 #99FDF5 #F599FD

tetradic

#FDF599 #99FDC3 #99A1FD #FD99D3

square

#FDF599 #99FDC3 #99A1FD #FD99D3

split-complementary

#FDF599 #99D3FD #C399FD

monochromatic

#FBE921 #FCEF5D #FDF599 #FEFBD5 #FEFCE1

Accessibility & contrast

On white

1.12

#FDF599 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.70

#FDF599 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF599

18.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF599	#FFFFFF	#000000	##000000
##FDF599	1.00	1.12	18.70	18.70
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.70	21.00	1.00	1.00
##000000	18.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF92

Deuteranopia (green-blind)

#FFF49D

Tritanopia (blue-blind)

#FFEADE

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #fdf599;
/* rgb */ color: rgb(253, 245, 153);
/* oklch */ color: oklch(95.7% 0.114 104.0);

Tailwind

colors: {
  custom: {
    50: '#fff8b8',
    500: '#fdf599',
    950: '#000000',
  },
}

SCSS

$custom: #fdf599;
$custom-light: #fff8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf599",
  "rgb": {
    "r": 253,
    "g": 245,
    "b": 153
  },
  "hsl": {
    "h": 55.2,
    "s": 96.154,
    "l": 79.608
  },
  "oklch": {
    "l": 0.95654,
    "c": 0.1136,
    "h": 104
  },
  "luminance": 0.88487
}

Semantic roles & 50–950 ramp

primary

#FDF599

secondary

#5B66DF

accent

#12E600

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#181711

muted

#868581

Preview Lab

Preview with #FDF599

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

Preview Lab → · Contrast checker → · Palette generator →