#EFFB82#EFFB82

#EFFB82 is a very light, vivid yellow. Relative luminance 0.890; OKLCH L 95.5% C 0.146 H 113.8°. Best body text is #000000 at 18.79:1 contrast (WCAG AA passes).

Color values

HEX	#EFFB82
RGB	rgb(239, 251, 130)
HSL	hsl(66, 94%, 75%)
HSV	hsv(66, 48%, 98%)
CMYK	cmyk(4.8%, 0%, 48.2%, 1.6%)
CIE-LAB	lab(95.56, -20.64, 56.16)
CIE-LCH	lch(95.56, 59.83, 110.18°)
OKLab	oklab(95.46% -0.0589 0.1333)
OKLCH	oklch(95.46% 0.146 113.8)
XYZ	xyz(74.1242, 88.9579, 34.3806)
Luminance	0.8896 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFB82 #8E82FB

analogous

#FBCA82 #EFFB82 #B3FB82

triadic

#EFFB82 #82EFFB #FB82EF

tetradic

#EFFB82 #82FBCA #8E82FB #FB82B3

square

#EFFB82 #82FBCA #8E82FB #FB82B3

split-complementary

#EFFB82 #82B3FB #CA82FB

monochromatic

#E0F70B #E7F947 #EFFB82 #F7FDBD #FBFEE1

Accessibility & contrast

On white

1.12

#EFFB82 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.79

#EFFB82 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFB82

18.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFB82	#FFFFFF	#000000	##000000
##EFFB82	1.00	1.12	18.79	18.79
#FFFFFF	1.12	1.00	21.00	21.00
#000000	18.79	21.00	1.00	1.00
##000000	18.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF177

Deuteranopia (green-blind)

#FFF488

Tritanopia (blue-blind)

#FCEFDF

Achromatopsia (no color)

#F2F2F2

Design tokens & code

CSS

--color: #effb82;
/* rgb */ color: rgb(239, 251, 130);
/* oklch */ color: oklch(95.5% 0.146 113.8);

Tailwind

colors: {
  custom: {
    50: '#f6fca9',
    500: '#effb82',
    950: '#000000',
  },
}

SCSS

$custom: #effb82;
$custom-light: #f6fca9;
$custom-dark: #000000;

JSON

{
  "hex": "#effb82",
  "rgb": {
    "r": 239,
    "g": 251,
    "b": 130
  },
  "hsl": {
    "h": 65.95,
    "s": 93.798,
    "l": 74.706
  },
  "oklch": {
    "l": 0.95457,
    "c": 0.14578,
    "h": 113.8
  },
  "luminance": 0.88957
}

Semantic roles & 50–950 ramp

primary

#EFFB82

secondary

#5648D9

accent

#00E617

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFFB82

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

Preview Lab → · Contrast checker → · Palette generator →