#F9F478#F9F478

#F9F478 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.7% C 0.146 H 106.8°. Best body text is #000000 at 18.24:1 contrast (WCAG AA passes).

Color values

HEX	#F9F478
RGB	rgb(249, 244, 120)
HSL	hsl(58, 91%, 72%)
HSV	hsv(58, 52%, 98%)
CMYK	cmyk(0%, 2%, 51.8%, 2.4%)
CIE-LAB	lab(94.40, -14.20, 59.53)
CIE-LCH	lch(94.40, 61.20, 103.42°)
OKLab	oklab(94.68% -0.0421 0.1397)
OKLCH	oklch(94.68% 0.146 106.8)
XYZ	xyz(74.8098, 86.1993, 30.4630)
Luminance	0.8620 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F478 #787DF9

analogous

#F9B378 #F9F478 #BEF978

triadic

#F9F478 #78F9F4 #F478F9

tetradic

#F9F478 #78F9B3 #787DF9 #F978BE

square

#F9F478 #78F9B3 #787DF9 #F978BE

split-complementary

#F9F478 #78BEF9 #B378F9

monochromatic

#ECE30A #F6EF3D #F9F478 #FCF9B3 #FEFDE2

Accessibility & contrast

On white

1.15

#F9F478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.24

#F9F478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F478

18.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F478	#FFFFFF	#000000	##000000
##F9F478	1.00	1.15	18.24	18.24
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.24	21.00	1.00	1.00
##000000	18.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6C

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FFE7D8

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #f9f478;
/* rgb */ color: rgb(249, 244, 120);
/* oklch */ color: oklch(94.7% 0.146 106.8);

Tailwind

colors: {
  custom: {
    50: '#fef7a2',
    500: '#f9f478',
    950: '#000000',
  },
}

SCSS

$custom: #f9f478;
$custom-light: #fef7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f478",
  "rgb": {
    "r": 249,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 57.674,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.94678,
    "c": 0.14588,
    "h": 106.8
  },
  "luminance": 0.86197
}

Semantic roles & 50–950 ramp

primary

#F9F478

secondary

#4046D5

accent

#09E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F478

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

Preview Lab → · Contrast checker → · Palette generator →