#F9F579#F9F579

#F9F579 is a very light, vivid yellow. Relative luminance 0.868; OKLCH L 94.9% C 0.146 H 107.2°. Best body text is #000000 at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#F9F579
RGB	rgb(249, 245, 121)
HSL	hsl(58, 91%, 73%)
HSV	hsv(58, 51%, 98%)
CMYK	cmyk(0%, 1.6%, 51.4%, 2.4%)
CIE-LAB	lab(94.66, -14.61, 59.39)
CIE-LCH	lch(94.66, 61.16, 103.82°)
OKLab	oklab(94.89% -0.0432 0.1395)
OKLCH	oklch(94.89% 0.146 107.2)
XYZ	xyz(75.1725, 86.8271, 30.8849)
Luminance	0.8682 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F579 #797DF9

analogous

#F9B579 #F9F579 #BDF979

triadic

#F9F579 #79F9F5 #F579F9

tetradic

#F9F579 #79F9B5 #797DF9 #F979BD

square

#F9F579 #79F9B5 #797DF9 #F979BD

split-complementary

#F9F579 #79BDF9 #B579F9

monochromatic

#EDE60B #F6F13E #F9F579 #FCF9B4 #FEFDE2

Accessibility & contrast

On white

1.14

#F9F579 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.36

#F9F579 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F579

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F579	#FFFFFF	#000000	##000000
##F9F579	1.00	1.14	18.36	18.36
#FFFFFF	1.14	1.00	21.00	21.00
#000000	18.36	21.00	1.00	1.00
##000000	18.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED6D

Deuteranopia (green-blind)

#FFF27F

Tritanopia (blue-blind)

#FFE8D9

Achromatopsia (no color)

#F0F0F0

Design tokens & code

CSS

--color: #f9f579;
/* rgb */ color: rgb(249, 245, 121);
/* oklch */ color: oklch(94.9% 0.146 107.2);

Tailwind

colors: {
  custom: {
    50: '#fef8a3',
    500: '#f9f579',
    950: '#000000',
  },
}

SCSS

$custom: #f9f579;
$custom-light: #fef8a3;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f579",
  "rgb": {
    "r": 249,
    "g": 245,
    "b": 121
  },
  "hsl": {
    "h": 58.125,
    "s": 91.429,
    "l": 72.549
  },
  "oklch": {
    "l": 0.94894,
    "c": 0.14599,
    "h": 107.2
  },
  "luminance": 0.86825
}

Semantic roles & 50–950 ramp

primary

#F9F579

secondary

#4146D5

accent

#07E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F579

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

Preview Lab → · Contrast checker → · Palette generator →