#FFEF73#FFEF73

#FFEF73 is a very light, vivid yellow. Relative luminance 0.842; OKLCH L 94.1% C 0.145 H 102.0°. Best body text is #000000 at 17.85:1 contrast (WCAG AA passes).

Color values

HEX	#FFEF73
RGB	rgb(255, 239, 115)
HSL	hsl(53, 100%, 73%)
HSV	hsv(53, 55%, 100%)
CMYK	cmyk(0%, 6.3%, 54.9%, 0%)
CIE-LAB	lab(93.55, -9.75, 60.93)
CIE-LCH	lch(93.55, 61.70, 99.09°)
OKLab	oklab(94.11% -0.0302 0.1421)
OKLCH	oklch(94.11% 0.145 102)
XYZ	xyz(75.2035, 84.2335, 28.5137)
Luminance	0.8423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FFEF73 #7383FF

analogous

#FFA973 #FFEF73 #C9FF73

triadic

#FFEF73 #73FFEF #EF73FF

tetradic

#FFEF73 #73FFA9 #7383FF #FF73C9

square

#FFEF73 #73FFA9 #7383FF #FF73C9

split-complementary

#FFEF73 #73C9FF #A973FF

monochromatic

#F8DB00 #FFE836 #FFEF73 #FFF6B0 #FFFCE0

Accessibility & contrast

On white

1.18

#FFEF73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.85

#FFEF73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #FFEF73

17.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FFEF73	#FFFFFF	#000000	##000000
##FFEF73	1.00	1.18	17.85	17.85
#FFFFFF	1.18	1.00	21.00	21.00
#000000	17.85	21.00	1.00	1.00
##000000	17.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE867

Deuteranopia (green-blind)

#FFF079

Tritanopia (blue-blind)

#FFE1D3

Achromatopsia (no color)

#ECECEC

Design tokens & code

CSS

--color: #ffef73;
/* rgb */ color: rgb(255, 239, 115);
/* oklch */ color: oklch(94.1% 0.145 102.0);

Tailwind

colors: {
  custom: {
    50: '#fff49f',
    500: '#ffef73',
    950: '#000000',
  },
}

SCSS

$custom: #ffef73;
$custom-light: #fff49f;
$custom-dark: #000000;

JSON

{
  "hex": "#ffef73",
  "rgb": {
    "r": 255,
    "g": 239,
    "b": 115
  },
  "hsl": {
    "h": 53.143,
    "s": 100,
    "l": 72.549
  },
  "oklch": {
    "l": 0.94106,
    "c": 0.14525,
    "h": 102
  },
  "luminance": 0.84231
}

Semantic roles & 50–950 ramp

primary

#FFEF73

secondary

#3A4DDC

accent

#1AE600

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#18170F

muted

#868580

Preview Lab

Preview with #FFEF73

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

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