#FFEF71#FFEF71

#FFEF71 is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 94.1% C 0.147 H 102.1°. Best body text is #000000 at 17.84:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF71
RGB	rgb(255, 239, 113)
HSL	hsl(53, 100%, 72%)
HSV	hsv(53, 56%, 100%)
CMYK	cmyk(0%, 6.3%, 55.7%, 0%)
CIE-LAB	lab(93.53, -9.90, 61.80)
CIE-LCH	lch(93.53, 62.58, 99.10°)
OKLab	oklab(94.08% -0.0309 0.1437)
OKLCH	oklch(94.08% 0.147 102.1)
XYZ	xyz(75.0897, 84.1880, 27.9141)
Luminance	0.8418 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF71 #7181FF

analogous

#FFA871 #FFEF71 #C8FF71

triadic

#FFEF71 #71FFEF #EF71FF

tetradic

#FFEF71 #71FFA8 #7181FF #FF71C8

square

#FFEF71 #71FFA8 #7181FF #FF71C8

split-complementary

#FFEF71 #71C8FF #A871FF

monochromatic

#F6DA00 #FFE834 #FFEF71 #FFF6AE #FFFCE0

Accessibility & contrast

On white

1.18

#FFEF71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.84

#FFEF71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF71

17.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF71	#FFFFFF	#000000	##000000
##FFEF71	1.00	1.18	17.84	17.84
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.84	21.00	1.00	1.00
##000000	17.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE864

Deuteranopia (green-blind)

#FFF077

Tritanopia (blue-blind)

#FFE1D3

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef71;
/* rgb */ color: rgb(255, 239, 113);
/* oklch */ color: oklch(94.1% 0.147 102.1);

Tailwind

colors: {
  custom: {
    50: '#fff49d',
    500: '#ffef71',
    950: '#000000',
  },
}

SCSS

$custom: #ffef71;
$custom-light: #fff49d;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef71",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 113
  },
  "hsl": {
    "h": 53.239,
    "s": 100,
    "l": 72.157
  },
  "oklch": {
    "l": 0.94084,
    "c": 0.147,
    "h": 102.1
  },
  "luminance": 0.84185
}

Semantic roles & 50–950 ramp

primary

#FFEF71

secondary

#384BDC

accent

#1AE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170F

muted

#868580

Preview Lab

Preview with #FFEF71

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

Preview Lab → · Contrast checker → · Palette generator →