#FFEF83#FFEF83

#FFEF83 is a very light, vivid yellow. Relative luminance 0.846; OKLCH L 94.3% C 0.130 H 101.0°. Best body text is #000000 at 17.93:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF83
RGB	rgb(255, 239, 131)
HSL	hsl(52, 100%, 76%)
HSV	hsv(52, 49%, 100%)
CMYK	cmyk(0%, 6.3%, 48.6%, 0%)
CIE-LAB	lab(93.73, -8.45, 53.77)
CIE-LCH	lch(93.73, 54.44, 98.93°)
OKLab	oklab(94.3% -0.0248 0.128)
OKLCH	oklch(94.3% 0.13 101)
XYZ	xyz(76.2054, 84.6343, 33.7902)
Luminance	0.8463 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF83 #8393FF

analogous

#FFB183 #FFEF83 #D1FF83

triadic

#FFEF83 #83FFEF #EF83FF

tetradic

#FFEF83 #83FFB1 #8393FF #FF83D1

square

#FFEF83 #83FFB1 #8393FF #FF83D1

split-complementary

#FFEF83 #83D1FF #B183FF

monochromatic

#FFDF09 #FFE746 #FFEF83 #FFF7C0 #FFFBE0

Accessibility & contrast

On white

1.17

#FFEF83 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.93

#FFEF83 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF83

17.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF83	#FFFFFF	#000000	##000000
##FFEF83	1.00	1.17	17.93	17.93
#FFFFFF	1.17	1.00	21.00	21.00
#000000	17.93	21.00	1.00	1.00
##000000	17.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE97A

Deuteranopia (green-blind)

#FFF088

Tritanopia (blue-blind)

#FFE2D6

Achromatopsia (no color)

#EDEDED

Design tokens & code

CSS

--color: #ffef83;
/* rgb */ color: rgb(255, 239, 131);
/* oklch */ color: oklch(94.3% 0.130 101.0);

Tailwind

colors: {
  custom: {
    50: '#fff4a9',
    500: '#ffef83',
    950: '#000000',
  },
}

SCSS

$custom: #ffef83;
$custom-light: #fff4a9;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef83",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 131
  },
  "hsl": {
    "h": 52.258,
    "s": 100,
    "l": 75.686
  },
  "oklch": {
    "l": 0.94299,
    "c": 0.13036,
    "h": 101
  },
  "luminance": 0.84632
}

Semantic roles & 50–950 ramp

primary

#FFEF83

secondary

#485BDF

accent

#1EE600

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#181710

muted

#868581

Preview Lab

Preview with #FFEF83

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

Preview Lab → · Contrast checker → · Palette generator →