#F9F378#F9F378

#F9F378 is a very light, vivid yellow. Relative luminance 0.856; OKLCH L 94.5% C 0.145 H 106.3°. Best body text is #000000 at 18.12:1 contrast (WCAG AA passes).

Color values

HEX	#F9F378
RGB	rgb(249, 243, 120)
HSL	hsl(57, 91%, 72%)
HSV	hsv(57, 52%, 98%)
CMYK	cmyk(0%, 2.4%, 51.8%, 2.4%)
CIE-LAB	lab(94.14, -13.72, 59.23)
CIE-LCH	lch(94.14, 60.80, 103.04°)
OKLab	oklab(94.47% -0.0407 0.139)
OKLCH	oklch(94.47% 0.145 106.3)
XYZ	xyz(74.5097, 85.5991, 30.3630)
Luminance	0.8560 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F9F378 #787EF9

analogous

#F9B278 #F9F378 #BFF978

triadic

#F9F378 #78F9F3 #F378F9

tetradic

#F9F378 #78F9B2 #787EF9 #F978BF

square

#F9F378 #78F9B2 #787EF9 #F978BF

split-complementary

#F9F378 #78BFF9 #B278F9

monochromatic

#ECE20A #F6EE3D #F9F378 #FCF8B3 #FEFCE2

Accessibility & contrast

On white

1.16

#F9F378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.12

#F9F378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F9F378

18.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F9F378	#FFFFFF	#000000	##000000
##F9F378	1.00	1.16	18.12	18.12
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.12	21.00	1.00	1.00
##000000	18.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FFF17E

Tritanopia (blue-blind)

#FFE6D7

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f9f378;
/* rgb */ color: rgb(249, 243, 120);
/* oklch */ color: oklch(94.5% 0.145 106.3);

Tailwind

colors: {
  custom: {
    50: '#fef6a2',
    500: '#f9f378',
    950: '#000000',
  },
}

SCSS

$custom: #f9f378;
$custom-light: #fef6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f9f378",
  "rgb": {
    "r": 249,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 57.209,
    "s": 91.489,
    "l": 72.353
  },
  "oklch": {
    "l": 0.94473,
    "c": 0.14486,
    "h": 106.3
  },
  "luminance": 0.85597
}

Semantic roles & 50–950 ramp

primary

#F9F378

secondary

#4047D5

accent

#0BE600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F9F378

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

Preview Lab → · Contrast checker → · Palette generator →