#FEF378#FEF378

#FEF378 is a very light, vivid yellow. Relative luminance 0.865; OKLCH L 94.9% C 0.145 H 104.2°. Best body text is #000000 at 18.31:1 contrast (WCAG AA passes).

Color values

HEX	#FEF378
RGB	rgb(254, 243, 120)
HSL	hsl(55, 99%, 73%)
HSV	hsv(55, 53%, 100%)
CMYK	cmyk(0%, 4.3%, 52.8%, 0.4%)
CIE-LAB	lab(94.54, -11.74, 59.80)
CIE-LCH	lch(94.54, 60.94, 101.10°)
OKLab	oklab(94.89% -0.0353 0.1402)
OKLCH	oklch(94.89% 0.145 104.2)
XYZ	xyz(76.3161, 86.5306, 30.4477)
Luminance	0.8653 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF378 #7883FE

analogous

#FEB078 #FEF378 #C6FE78

triadic

#FEF378 #78FEF3 #F378FE

tetradic

#FEF378 #78FEB0 #7883FE #FE78C6

square

#FEF378 #78FEB0 #7883FE #FE78C6

split-complementary

#FEF378 #78C6FE #B078FE

monochromatic

#FAE502 #FEEE3B #FEF378 #FEF8B5 #FFFCE1

Accessibility & contrast

On white

1.15

#FEF378 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.31

#FEF378 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF378

18.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF378	#FFFFFF	#000000	##000000
##FEF378	1.00	1.15	18.31	18.31
#FFFFFF	1.15	1.00	21.00	21.00
#000000	18.31	21.00	1.00	1.00
##000000	18.31	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: #fef378;
/* rgb */ color: rgb(254, 243, 120);
/* oklch */ color: oklch(94.9% 0.145 104.2);

Tailwind

colors: {
  custom: {
    50: '#fff6a2',
    500: '#fef378',
    950: '#000000',
  },
}

SCSS

$custom: #fef378;
$custom-light: #fff6a2;
$custom-dark: #000000;

JSON

{
  "hex": "#fef378",
  "rgb": {
    "r": 254,
    "g": 243,
    "b": 120
  },
  "hsl": {
    "h": 55.075,
    "s": 98.529,
    "l": 73.333
  },
  "oklch": {
    "l": 0.94886,
    "c": 0.14455,
    "h": 104.2
  },
  "luminance": 0.86528
}

Semantic roles & 50–950 ramp

primary

#FEF378

secondary

#3F4BDC

accent

#13E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF378

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

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