#FDF378#FDF378

#FDF378 is a very light, vivid yellow. Relative luminance 0.863; OKLCH L 94.8% C 0.145 H 104.6°. Best body text is #000000 at 18.27:1 contrast (WCAG AA passes).

Color values

HEX	#FDF378
RGB	rgb(253, 243, 120)
HSL	hsl(55, 97%, 73%)
HSV	hsv(55, 53%, 99%)
CMYK	cmyk(0%, 4%, 52.6%, 0.8%)
CIE-LAB	lab(94.46, -12.13, 59.68)
CIE-LCH	lch(94.46, 60.90, 101.49°)
OKLab	oklab(94.8% -0.0364 0.1399)
OKLCH	oklch(94.8% 0.145 104.6)
XYZ	xyz(75.9510, 86.3423, 30.4306)
Luminance	0.8634 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FDF378 #7882FD

analogous

#FDB078 #FDF378 #C4FD78

triadic

#FDF378 #78FDF3 #F378FD

tetradic

#FDF378 #78FDB0 #7882FD #FD78C4

square

#FDF378 #78FDB0 #7882FD #FD78C4

split-complementary

#FDF378 #78C4FD #B078FD

monochromatic

#F7E504 #FCEE3C #FDF378 #FEF8B4 #FFFCE1

Accessibility & contrast

On white

1.15

#FDF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.27

#FDF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FDF378

18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FDF378	#FFFFFF	#000000	##000000
##FDF378	1.00	1.15	18.27	18.27
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.27	21.00	1.00	1.00
##000000	18.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEC6C

Deuteranopia (green-blind)

#FFF27E

Tritanopia (blue-blind)

#FFE5D7

Achromatopsia (no color)

#EFEFEF

Design tokens & code

CSS

--color: #fdf378;
/* rgb */ color: rgb(253, 243, 120);
/* oklch */ color: oklch(94.8% 0.145 104.6);

Tailwind

colors: {
  custom: {
    50: '#fff6a2',
    500: '#fdf378',
    950: '#000000',
  },
}

SCSS

$custom: #fdf378;
$custom-light: #fff6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fdf378",
  "rgb": {
    "r": 253,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 55.489,
    "s": 97.08,
    "l": 73.137
  },
  "oklch": {
    "l": 0.94803,
    "c": 0.14459,
    "h": 104.6
  },
  "luminance": 0.8634
}

Semantic roles & 50–950 ramp

primary

#FDF378

secondary

#3F4BDA

accent

#11E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FDF378

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

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