#F3F478#F3F478

#F3F478 is a very light, vivid yellow. Relative luminance 0.851; OKLCH L 94.2% C 0.147 H 109.3°. Best body text is #000000 at 18.02:1 contrast (WCAG AA passes).

Color values

HEX	#F3F478
RGB	rgb(243, 244, 120)
HSL	hsl(60, 85%, 71%)
HSV	hsv(60, 51%, 96%)
CMYK	cmyk(0.4%, 0%, 50.8%, 4.3%)
CIE-LAB	lab(93.93, -16.57, 58.87)
CIE-LCH	lch(93.93, 61.16, 105.72°)
OKLab	oklab(94.19% -0.0485 0.1383)
OKLCH	oklch(94.19% 0.147 109.3)
XYZ	xyz(72.7047, 85.1139, 30.3644)
Luminance	0.8511 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#F3F478 #7978F4

analogous

#F4B778 #F3F478 #B5F478

triadic

#F3F478 #78F3F4 #F478F3

tetradic

#F3F478 #78F4B7 #7978F4 #F478B5

square

#F3F478 #78F4B7 #7978F4 #F478B5

split-complementary

#F3F478 #78B5F4 #B778F4

monochromatic

#DEDF12 #EEEF3F #F3F478 #F8F9B1 #FCFDE3

Accessibility & contrast

On white

1.17

#F3F478 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.02

#F3F478 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #F3F478

18.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##F3F478	#FFFFFF	#000000	##000000
##F3F478	1.00	1.17	18.02	18.02
#FFFFFF	1.17	1.00	21.00	21.00
#000000	18.02	21.00	1.00	1.00
##000000	18.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB6C

Deuteranopia (green-blind)

#FFF07E

Tritanopia (blue-blind)

#FFE7D8

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #f3f478;
/* rgb */ color: rgb(243, 244, 120);
/* oklch */ color: oklch(94.2% 0.147 109.3);

Tailwind

colors: {
  custom: {
    50: '#f9f7a2',
    500: '#f3f478',
    950: '#000000',
  },
}

SCSS

$custom: #f3f478;
$custom-light: #f9f7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#f3f478",
  "rgb": {
    "r": 243,
    "g": 244,
    "b": 120
  },
  "hsl": {
    "h": 60.484,
    "s": 84.932,
    "l": 71.373
  },
  "oklch": {
    "l": 0.94194,
    "c": 0.14659,
    "h": 109.3
  },
  "luminance": 0.85112
}

Semantic roles & 50–950 ramp

primary

#F3F478

secondary

#4341CF

accent

#04E106

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #F3F478

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

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