#EFEF73#EFEF73

#EFEF73 is a very light, vivid yellow. Relative luminance 0.813; OKLCH L 92.8% C 0.146 H 108.9°. Best body text is #000000 at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF73
RGB	rgb(239, 239, 115)
HSL	hsl(60, 79%, 69%)
HSV	hsv(60, 52%, 94%)
CMYK	cmyk(0%, 0%, 51.9%, 6.3%)
CIE-LAB	lab(92.28, -16.12, 59.12)
CIE-LCH	lch(92.28, 61.28, 105.25°)
OKLab	oklab(92.78% -0.0475 0.1385)
OKLCH	oklch(92.78% 0.146 108.9)
XYZ	xyz(69.5594, 81.3233, 28.2491)
Luminance	0.8132 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF73 #7373EF

analogous

#EFB173 #EFEF73 #B1EF73

triadic

#EFEF73 #73EFEF #EF73EF

tetradic

#EFEF73 #73EFB1 #7373EF #EF73B1

square

#EFEF73 #73EFB1 #7373EF #EF73B1

split-complementary

#EFEF73 #73B1EF #B173EF

monochromatic

#D0D018 #E9E93C #EFEF73 #F5F5AA #FCFCE1

Accessibility & contrast

On white

1.22

#EFEF73 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.26

#EFEF73 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF73

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF73	#FFFFFF	#000000	##000000
##EFEF73	1.00	1.22	17.26	17.26
#FFFFFF	1.22	1.00	21.00	21.00
#000000	17.26	21.00	1.00	1.00
##000000	17.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE667

Deuteranopia (green-blind)

#FFEB7A

Tritanopia (blue-blind)

#FEE2D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef73;
/* rgb */ color: rgb(239, 239, 115);
/* oklch */ color: oklch(92.8% 0.146 108.9);

Tailwind

colors: {
  custom: {
    50: '#f7f49f',
    500: '#efef73',
    950: '#000000',
  },
}

SCSS

$custom: #efef73;
$custom-light: #f7f49f;
$custom-dark: #000000;

JSON

{
  "hex": "#efef73",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 115
  },
  "hsl": {
    "h": 60,
    "s": 79.487,
    "l": 69.412
  },
  "oklch": {
    "l": 0.92782,
    "c": 0.14639,
    "h": 108.9
  },
  "luminance": 0.81322
}

Semantic roles & 50–950 ramp

primary

#EFEF73

secondary

#3E3EC8

accent

#0ADC0A

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFEF73

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

Preview Lab → · Contrast checker → · Palette generator →