#F9FD59#F9FD59

#F9FD59 is a very light, vivid yellow. Relative luminance 0.911; OKLCH L 96.2% C 0.180 H 110.7°. Best body text is #000000 at 19.22:1 contrast (WCAG AA passes).

Color values

HEX	#F9FD59
RGB	rgb(249, 253, 89)
HSL	hsl(61, 98%, 67%)
HSV	hsv(61, 65%, 99%)
CMYK	cmyk(1.6%, 0%, 64.8%, 0.8%)
CIE-LAB	lab(96.46, -20.65, 74.72)
CIE-LCH	lch(96.46, 77.52, 105.45°)
OKLab	oklab(96.24% -0.0635 0.1682)
OKLCH	oklch(96.24% 0.18 110.7)
XYZ	xyz(75.9977, 91.1135, 23.0326)
Luminance	0.9111 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9FD59 #5D59FD

analogous

#FDAF59 #F9FD59 #A7FD59

triadic

#F9FD59 #59F9FD #FD59F9

tetradic

#F9FD59 #59FDAF #5D59FD #FD59A7

square

#F9FD59 #59FDAF #5D59FD #FD59A7

split-complementary

#F9FD59 #59A7FD #AF59FD

monochromatic

#D4D903 #F7FC1D #F9FD59 #FBFE95 #FDFED2

Accessibility & contrast

On white

1.09

#F9FD59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.22

#F9FD59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9FD59

19.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9FD59	#FFFFFF	#000000	##000000
##F9FD59	1.00	1.09	19.22	19.22
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.22	21.00	1.00	1.00
##000000	19.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF242

Deuteranopia (green-blind)

#FFF764

Tritanopia (blue-blind)

#FFEEDC

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #f9fd59;
/* rgb */ color: rgb(249, 253, 89);
/* oklch */ color: oklch(96.2% 0.180 110.7);

Tailwind

colors: {
  custom: {
    50: '#fffd90',
    500: '#f9fd59',
    950: '#000000',
  },
}

SCSS

$custom: #f9fd59;
$custom-light: #fffd90;
$custom-dark: #000000;

JSON

{
  "hex": "#f9fd59",
  "rgb": {
    "r": 249,
    "g": 253,
    "b": 89
  },
  "hsl": {
    "h": 61.463,
    "s": 97.619,
    "l": 67.059
  },
  "oklch": {
    "l": 0.96235,
    "c": 0.17977,
    "h": 110.7
  },
  "luminance": 0.91112
}

Semantic roles & 50–950 ramp

primary

#F9FD59

secondary

#2C28D3

accent

#00E606

background

#FFFFFC

surface

#FFFFF4

border

#D7D7CE

text

#18170D

muted

#86857F

Preview Lab

Preview with #F9FD59

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

Preview Lab → · Contrast checker → · Palette generator →