#EFEF91#EFEF91

#EFEF91 is a very light, moderate yellow. Relative luminance 0.821; OKLCH L 93.2% C 0.116 H 108.5°. Best body text is #000000 at 17.43:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF91
RGB	rgb(239, 239, 145)
HSL	hsl(60, 75%, 75%)
HSV	hsv(60, 39%, 94%)
CMYK	cmyk(0%, 0%, 39.3%, 6.3%)
CIE-LAB	lab(92.63, -13.35, 45.43)
CIE-LCH	lch(92.63, 47.35, 106.37°)
OKLab	oklab(93.18% -0.0369 0.1104)
OKLCH	oklch(93.18% 0.116 108.5)
XYZ	xyz(71.5750, 82.1295, 38.8647)
Luminance	0.8213 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF91 #9191EF

analogous

#EFC091 #EFEF91 #C0EF91

triadic

#EFEF91 #91EFEF #EF91EF

tetradic

#EFEF91 #91EFC0 #9191EF #EF91C0

square

#EFEF91 #91EFC0 #9191EF #EF91C0

split-complementary

#EFEF91 #91C0EF #C091EF

monochromatic

#DFDF26 #E7E75C #EFEF91 #F7F7C6 #FBFBE4

Accessibility & contrast

On white

1.21

#EFEF91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.43

#EFEF91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF91

17.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF91	#FFFFFF	#000000	##000000
##EFEF91	1.00	1.21	17.43	17.43
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.43	21.00	1.00	1.00
##000000	17.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE88A

Deuteranopia (green-blind)

#FEEC95

Tritanopia (blue-blind)

#FBE4D8

Achromatopsia (no color)

#EAEAEA

Design tokens & code

CSS

--color: #efef91;
/* rgb */ color: rgb(239, 239, 145);
/* oklch */ color: oklch(93.2% 0.116 108.5);

Tailwind

colors: {
  custom: {
    50: '#f5f4b2',
    500: '#efef91',
    950: '#000000',
  },
}

SCSS

$custom: #efef91;
$custom-light: #f5f4b2;
$custom-dark: #000000;

JSON

{
  "hex": "#efef91",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 145
  },
  "hsl": {
    "h": 60,
    "s": 74.603,
    "l": 75.294
  },
  "oklch": {
    "l": 0.93181,
    "c": 0.1164,
    "h": 108.5
  },
  "luminance": 0.82128
}

Semantic roles & 50–950 ramp

primary

#EFEF91

secondary

#5959CB

accent

#0FD70F

background

#FFFFFD

surface

#FFFEF8

border

#D7D6D1

text

#171711

muted

#858581

Preview Lab

Preview with #EFEF91

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

Preview Lab → · Contrast checker → · Palette generator →