#F9F040#F9F040

#F9F040 is a very light, vivid yellow. Relative luminance 0.828; OKLCH L 93.4% C 0.183 H 106.4°. Best body text is #000000 at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#F9F040
RGB	rgb(249, 240, 64)
HSL	hsl(57, 94%, 61%)
HSV	hsv(57, 74%, 98%)
CMYK	cmyk(0%, 3.6%, 74.3%, 2.4%)
CIE-LAB	lab(92.94, -15.57, 79.95)
CIE-LCH	lch(92.94, 81.45, 101.02°)
OKLab	oklab(93.38% -0.0516 0.1751)
OKLCH	oklch(93.38% 0.183 106.4)
XYZ	xyz(71.1554, 82.8327, 17.0897)
Luminance	0.8283 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F040 #4049F9

analogous

#F99440 #F9F040 #A6F940

triadic

#F9F040 #40F9F0 #F040F9

tetradic

#F9F040 #40F994 #4049F9 #F940A6

square

#F9F040 #40F994 #4049F9 #F940A6

split-complementary

#F9F040 #40A6F9 #9440F9

monochromatic

#B9B006 #F4E908 #F9F040 #FBF57B #FDF9B7

Accessibility & contrast

On white

1.20

#F9F040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.57

#F9F040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F040

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F040	#FFFFFF	#000000	##000000
##F9F040	1.00	1.20	17.57	17.57
#FFFFFF	1.20	1.00	21.00	21.00
#000000	17.57	21.00	1.00	1.00
##000000	17.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE717

Deuteranopia (green-blind)

#FFEE4E

Tritanopia (blue-blind)

#FFE0CF

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #f9f040;
/* rgb */ color: rgb(249, 240, 64);
/* oklch */ color: oklch(93.4% 0.183 106.4);

Tailwind

colors: {
  custom: {
    50: '#fff482',
    500: '#f9f040',
    950: '#000000',
  },
}

SCSS

$custom: #f9f040;
$custom-light: #fff482;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f040",
  "rgb": {
    "r": 249,
    "g": 240,
    "b": 64
  },
  "hsl": {
    "h": 57.081,
    "s": 93.909,
    "l": 61.373
  },
  "oklch": {
    "l": 0.93381,
    "c": 0.18252,
    "h": 106.4
  },
  "luminance": 0.8283
}

Semantic roles & 50–950 ramp

primary

#F9F040

secondary

#262DB7

accent

#0BE600

background

#FFFFFB

surface

#FFFEF2

border

#D7D6CC

text

#19170B

muted

#87857E

Preview Lab

Preview with #F9F040

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

Preview Lab → · Contrast checker → · Palette generator →