#EFEF80#EFEF80

#EFEF80 is a very light, vivid yellow. Relative luminance 0.816; OKLCH L 92.9% C 0.134 H 108.7°. Best body text is #000000 at 17.33:1 contrast (WCAG AA passes).

Color values

HEX	#EFEF80
RGB	rgb(239, 239, 128)
HSL	hsl(60, 78%, 72%)
HSV	hsv(60, 46%, 94%)
CMYK	cmyk(0%, 0%, 46.4%, 6.3%)
CIE-LAB	lab(92.42, -15.01, 53.31)
CIE-LCH	lch(92.42, 55.38, 105.72°)
OKLab	oklab(92.94% -0.0431 0.1269)
OKLCH	oklch(92.94% 0.134 108.7)
XYZ	xyz(70.3608, 81.6439, 32.4703)
Luminance	0.8164 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFEF80 #8080EF

analogous

#EFB880 #EFEF80 #B8EF80

triadic

#EFEF80 #80EFEF #EF80EF

tetradic

#EFEF80 #80EFB8 #8080EF #EF80B8

square

#EFEF80 #80EFB8 #8080EF #EF80B8

split-complementary

#EFEF80 #80B8EF #B880EF

monochromatic

#D9D91B #E8E84A #EFEF80 #F6F6B6 #FCFCE4

Accessibility & contrast

On white

1.21

#EFEF80 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.33

#EFEF80 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFEF80

17.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFEF80	#FFFFFF	#000000	##000000
##EFEF80	1.00	1.21	17.33	17.33
#FFFFFF	1.21	1.00	21.00	21.00
#000000	17.33	21.00	1.00	1.00
##000000	17.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE776

Deuteranopia (green-blind)

#FFEB85

Tritanopia (blue-blind)

#FDE3D5

Achromatopsia (no color)

#E9E9E9

Design tokens & code

CSS

--color: #efef80;
/* rgb */ color: rgb(239, 239, 128);
/* oklch */ color: oklch(92.9% 0.134 108.7);

Tailwind

colors: {
  custom: {
    50: '#f6f4a7',
    500: '#efef80',
    950: '#000000',
  },
}

SCSS

$custom: #efef80;
$custom-light: #f6f4a7;
$custom-dark: #000000;

JSON

{
  "hex": "#efef80",
  "rgb": {
    "r": 239,
    "g": 239,
    "b": 128
  },
  "hsl": {
    "h": 60,
    "s": 77.622,
    "l": 71.961
  },
  "oklch": {
    "l": 0.92941,
    "c": 0.13403,
    "h": 108.7
  },
  "luminance": 0.81642
}

Semantic roles & 50–950 ramp

primary

#EFEF80

secondary

#4A4AC9

accent

#0CDA0C

background

#FFFFFC

surface

#FFFEF6

border

#D7D6D0

text

#171710

muted

#858580

Preview Lab

Preview with #EFEF80

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

Preview Lab → · Contrast checker → · Palette generator →