#FEF90F#FEF90F

#FEF90F is a very light, highly saturated yellow. Relative luminance 0.889; OKLCH L 95.5% C 0.205 H 108.2°. Best body text is #000000 at 18.77:1 contrast (WCAG AA passes).

Color values

HEX	#FEF90F
RGB	rgb(254, 249, 15)
HSL	hsl(59, 99%, 53%)
HSV	hsv(59, 94%, 100%)
CMYK	cmyk(0%, 2%, 94.1%, 0.4%)
CIE-LAB	lab(95.52, -18.99, 92.15)
CIE-LCH	lch(95.52, 94.09, 101.64°)
OKLab	oklab(95.49% -0.064 0.1943)
OKLCH	oklch(95.49% 0.205 108.2)
XYZ	xyz(74.8383, 88.8594, 13.6613)
Luminance	0.8886 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FEF90F #0F14FE

analogous

#FE820F #FEF90F #8BFE0F

triadic

#FEF90F #0FFEF9 #F90FFE

tetradic

#FEF90F #0FFE82 #0F14FE #FE0F8B

square

#FEF90F #0FFE82 #0F14FE #FE0F8B

split-complementary

#FEF90F #0F8BFE #820FFE

monochromatic

#928F01 #CFCB01 #FEF90F #FEFB4C #FFFC89

Accessibility & contrast

On white

1.12

#FEF90F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.77

#FEF90F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FEF90F

18.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FEF90F	#FFFFFF	#000000	##000000
##FEF90F	1.00	1.12	18.77	18.77
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.77	21.00	1.00	1.00
##000000	18.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEE00

Deuteranopia (green-blind)

#FFF533

Tritanopia (blue-blind)

#FFE8D4

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #fef90f;
/* rgb */ color: rgb(254, 249, 15);
/* oklch */ color: oklch(95.5% 0.205 108.2);

Tailwind

colors: {
  custom: {
    50: '#fffa74',
    500: '#fef90f',
    950: '#000000',
  },
}

SCSS

$custom: #fef90f;
$custom-light: #fffa74;
$custom-dark: #000000;

JSON

{
  "hex": "#fef90f",
  "rgb": {
    "r": 254,
    "g": 249,
    "b": 15
  },
  "hsl": {
    "h": 58.745,
    "s": 99.17,
    "l": 52.745
  },
  "oklch": {
    "l": 0.95491,
    "c": 0.20459,
    "h": 108.2
  },
  "luminance": 0.88857
}

Semantic roles & 50–950 ramp

primary

#FEF90F

secondary

#1B1E96

accent

#2DFF29

background

#FFFFFB

surface

#FFFFF2

border

#D7D7CC

text

#19170A

muted

#87857D

Preview Lab

Preview with #FEF90F

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

Preview Lab → · Contrast checker → · Palette generator →