#FEF17C#FEF17C

#FEF17C is a very light, vivid yellow. Relative luminance 0.854; OKLCH L 94.5% C 0.139 H 103.0°. Best body text is #000000 at 18.09:1 contrast (WCAG AA passes).

Color values

HEX	#FEF17C
RGB	rgb(254, 241, 124)
HSL	hsl(54, 98%, 74%)
HSV	hsv(54, 51%, 100%)
CMYK	cmyk(0%, 5.1%, 51.2%, 0.4%)
CIE-LAB	lab(94.07, -10.43, 57.43)
CIE-LCH	lch(94.07, 58.37, 100.29°)
OKLab	oklab(94.53% -0.0312 0.1354)
OKLCH	oklch(94.53% 0.139 103)
XYZ	xyz(75.9687, 85.4392, 31.5546)
Luminance	0.8544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF17C #7C89FE

analogous

#FEB07C #FEF17C #CAFE7C

triadic

#FEF17C #7CFEF1 #F17CFE

tetradic

#FEF17C #7CFEB0 #7C89FE #FE7CCA

square

#FEF17C #7CFEB0 #7C89FE #FE7CCA

split-complementary

#FEF17C #7CCAFE #B07CFE

monochromatic

#FDE403 #FEEB3F #FEF17C #FEF7B9 #FFFCE1

Accessibility & contrast

On white

1.16

#FEF17C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.09

#FEF17C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF17C

18.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF17C	#FFFFFF	#000000	##000000
##FEF17C	1.00	1.16	18.09	18.09
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.09	21.00	1.00	1.00
##000000	18.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEA71

Deuteranopia (green-blind)

#FFF181

Tritanopia (blue-blind)

#FFE3D6

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #fef17c;
/* rgb */ color: rgb(254, 241, 124);
/* oklch */ color: oklch(94.5% 0.139 103.0);

Tailwind

colors: {
  custom: {
    50: '#fff5a5',
    500: '#fef17c',
    950: '#000000',
  },
}

SCSS

$custom: #fef17c;
$custom-light: #fff5a5;
$custom-dark: #000000;

JSON

{
  "hex": "#fef17c",
  "rgb": {
    "r": 254,
    "g": 241,
    "b": 124
  },
  "hsl": {
    "h": 54,
    "s": 98.485,
    "l": 74.118
  },
  "oklch": {
    "l": 0.94529,
    "c": 0.13894,
    "h": 103
  },
  "luminance": 0.85437
}

Semantic roles & 50–950 ramp

primary

#FEF17C

secondary

#4251DC

accent

#17E600

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#18170F

muted

#868580

Preview Lab

Preview with #FEF17C

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

Preview Lab → · Contrast checker → · Palette generator →