#EFEF71#EFEF71

#EFEF71 is a very light, vivid yellow. Relative luminance 0.813; OKLCH L 92.8% C 0.148 H 109.0°. Best body text is #000000 at 17.26:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF71
RGB	rgb(239, 239, 113)
HSL	hsl(60, 80%, 69%)
HSV	hsv(60, 53%, 94%)
CMYK	cmyk(0%, 0%, 52.7%, 6.3%)
CIE-LAB	lab(92.26, -16.28, 60.00)
CIE-LCH	lch(92.26, 62.17, 105.18°)
OKLab	oklab(92.76% -0.0482 0.1401)
OKLCH	oklch(92.76% 0.148 109)
XYZ	xyz(69.4455, 81.2777, 27.6495)
Luminance	0.8128 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF71 #7171EF

analogous

#EFB071 #EFEF71 #B0EF71

triadic

#EFEF71 #71EFEF #EF71EF

tetradic

#EFEF71 #71EFB0 #7171EF #EF71B0

square

#EFEF71 #71EFB0 #7171EF #EF71B0

split-complementary

#EFEF71 #71B0EF #B071EF

monochromatic

#CECE17 #E9E93A #EFEF71 #F5F5A8 #FBFBDF

Accessibility & contrast

On white

1.22

#EFEF71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.26

#EFEF71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF71

17.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF71	#FFFFFF	#000000	##000000
##EFEF71	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)

#FFE665

Deuteranopia (green-blind)

#FFEB78

Tritanopia (blue-blind)

#FEE2D3

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef71;
/* rgb */ color: rgb(239, 239, 113);
/* oklch */ color: oklch(92.8% 0.148 109.0);

Tailwind

colors: {
  custom: {
    50: '#f7f49d',
    500: '#efef71',
    950: '#000000',
  },
}

SCSS

$custom: #efef71;
$custom-light: #f7f49d;
$custom-dark: #000000;

JSON

{
  "hex": "#efef71",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 113
  },
  "hsl": {
    "h": 60,
    "s": 79.747,
    "l": 69.02
  },
  "oklch": {
    "l": 0.92759,
    "c": 0.14819,
    "h": 109
  },
  "luminance": 0.81276
}

Semantic roles & 50–950 ramp

primary

#EFEF71

secondary

#3C3CC8

accent

#09DC09

background

#FFFFFC

surface

#FFFEF5

border

#D7D6CF

text

#17170F

muted

#858580

Preview Lab

Preview with #EFEF71

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

Preview Lab → · Contrast checker → · Palette generator →