#EFEF85#EFEF85

#EFEF85 is a very light, vivid yellow. Relative luminance 0.818; OKLCH L 93.0% C 0.129 H 108.7°. Best body text is #000000 at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF85
RGB	rgb(239, 239, 133)
HSL	hsl(60, 77%, 73%)
HSV	hsv(60, 44%, 94%)
CMYK	cmyk(0%, 0%, 44.4%, 6.3%)
CIE-LAB	lab(92.48, -14.54, 51.02)
CIE-LCH	lch(92.48, 53.05, 105.91°)
OKLab	oklab(93.01% -0.0413 0.1222)
OKLCH	oklch(93.01% 0.129 108.7)
XYZ	xyz(70.6981, 81.7788, 34.2464)
Luminance	0.8178 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF85 #8585EF

analogous

#EFBA85 #EFEF85 #BAEF85

triadic

#EFEF85 #85EFEF #EF85EF

tetradic

#EFEF85 #85EFBA #8585EF #EF85BA

square

#EFEF85 #85EFBA #8585EF #EF85BA

split-complementary

#EFEF85 #85BAEF #BA85EF

monochromatic

#DDDD1D #E8E84F #EFEF85 #F6F6BB #FBFBE4

Accessibility & contrast

On white

1.21

#EFEF85 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.36

#EFEF85 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF85

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF85	#FFFFFF	#000000	##000000
##EFEF85	1.00	1.21	17.36	17.36
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.36	21.00	1.00	1.00
##000000	17.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE77C

Deuteranopia (green-blind)

#FFEB8A

Tritanopia (blue-blind)

#FCE3D6

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef85;
/* rgb */ color: rgb(239, 239, 133);
/* oklch */ color: oklch(93.0% 0.129 108.7);

Tailwind

colors: {
  custom: {
    50: '#f6f4aa',
    500: '#efef85',
    950: '#000000',
  },
}

SCSS

$custom: #efef85;
$custom-light: #f6f4aa;
$custom-dark: #000000;

JSON

{
  "hex": "#efef85",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 133
  },
  "hsl": {
    "h": 60,
    "s": 76.812,
    "l": 72.941
  },
  "oklch": {
    "l": 0.93008,
    "c": 0.12901,
    "h": 108.7
  },
  "luminance": 0.81777
}

Semantic roles & 50–950 ramp

primary

#EFEF85

secondary

#4E4ECA

accent

#0CD90C

background

#FFFFFD

surface

#FFFEF7

border

#D7D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFEF85

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

Preview Lab → · Contrast checker → · Palette generator →