#F9F583#F9F583

#F9F583 is a very light, vivid yellow. Relative luminance 0.871; OKLCH L 95.0% C 0.137 H 106.9°. Best body text is #000000 at 18.42:1 contrast (WCAG AA passes).

Color values

HEX	#F9F583
RGB	rgb(249, 245, 131)
HSL	hsl(58, 91%, 75%)
HSV	hsv(58, 47%, 98%)
CMYK	cmyk(0%, 1.6%, 47.4%, 2.4%)
CIE-LAB	lab(94.77, -13.76, 54.93)
CIE-LCH	lch(94.77, 56.63, 104.07°)
OKLab	oklab(95.02% -0.0398 0.1306)
OKLCH	oklch(95.02% 0.137 106.9)
XYZ	xyz(75.8178, 87.0852, 34.2836)
Luminance	0.8708 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F583 #8387F9

analogous

#F9BA83 #F9F583 #C2F983

triadic

#F9F583 #83F9F5 #F583F9

tetradic

#F9F583 #83F9BA #8387F9 #F983C2

square

#F9F583 #83F9BA #8387F9 #F983C2

split-complementary

#F9F583 #83C2F9 #BA83F9

monochromatic

#F3EC0E #F6F049 #F9F583 #FCFABD #FEFDE2

Accessibility & contrast

On white

1.14

#F9F583 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.42

#F9F583 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F583

18.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F583	#FFFFFF	#000000	##000000
##F9F583	1.00	1.14	18.42	18.42
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.42	21.00	1.00	1.00
##000000	18.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED79

Deuteranopia (green-blind)

#FFF288

Tritanopia (blue-blind)

#FFE8DB

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f9f583;
/* rgb */ color: rgb(249, 245, 131);
/* oklch */ color: oklch(95.0% 0.137 106.9);

Tailwind

colors: {
  custom: {
    50: '#fdf8a9',
    500: '#f9f583',
    950: '#000000',
  },
}

SCSS

$custom: #f9f583;
$custom-light: #fdf8a9;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f583",
  "rgb": {
    "r": 249,
    "g": 245,
    "b": 131
  },
  "hsl": {
    "h": 57.966,
    "s": 90.769,
    "l": 74.51
  },
  "oklch": {
    "l": 0.95017,
    "c": 0.13651,
    "h": 106.9
  },
  "luminance": 0.87083
}

Semantic roles & 50–950 ramp

primary

#F9F583

secondary

#4A4ED7

accent

#08E600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #F9F583

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

Preview Lab → · Contrast checker → · Palette generator →