#FCF378#FCF378

#FCF378 is a very light, vivid yellow. Relative luminance 0.862; OKLCH L 94.7% C 0.145 H 105.0°. Best body text is #000000 at 18.23:1 contrast (WCAG AA passes).

Color values

HEX	#FCF378
RGB	rgb(252, 243, 120)
HSL	hsl(56, 96%, 73%)
HSV	hsv(56, 52%, 99%)
CMYK	cmyk(0%, 3.6%, 52.4%, 1.2%)
CIE-LAB	lab(94.38, -12.53, 59.57)
CIE-LCH	lch(94.38, 60.87, 101.88°)
OKLab	oklab(94.72% -0.0375 0.1397)
OKLCH	oklch(94.72% 0.145 105)
XYZ	xyz(75.5878, 86.1550, 30.4135)
Luminance	0.8615 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FCF378 #7881FC

analogous

#FCB178 #FCF378 #C3FC78

triadic

#FCF378 #78FCF3 #F378FC

tetradic

#FCF378 #78FCB1 #7881FC #FC78C3

square

#FCF378 #78FCB1 #7881FC #FC78C3

split-complementary

#FCF378 #78C3FC #B178FC

monochromatic

#F4E405 #FBEE3C #FCF378 #FDF8B4 #FEFCE1

Accessibility & contrast

On white

1.15

#FCF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.23

#FCF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FCF378

18.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FCF378	#FFFFFF	#000000	##000000
##FCF378	1.00	1.15	18.23	18.23
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.23	21.00	1.00	1.00
##000000	18.23	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: #fcf378;
/* rgb */ color: rgb(252, 243, 120);
/* oklch */ color: oklch(94.7% 0.145 105.0);

Tailwind

colors: {
  custom: {
    50: '#fff6a2',
    500: '#fcf378',
    950: '#000000',
  },
}

SCSS

$custom: #fcf378;
$custom-light: #fff6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fcf378",
  "rgb": {
    "r": 252,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 55.909,
    "s": 95.652,
    "l": 72.941
  },
  "oklch": {
    "l": 0.9472,
    "c": 0.14465,
    "h": 105
  },
  "luminance": 0.86153
}

Semantic roles & 50–950 ramp

primary

#FCF378

secondary

#3F4AD9

accent

#10E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FCF378

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

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