#EFFF82#EFFF82

#EFFF82 is a very light, vivid yellow. Relative luminance 0.915; OKLCH L 96.3% C 0.151 H 115.3°. Best body text is #000000 at 19.30:1 contrast (WCAG AA passes).

Color values

HEX	#EFFF82
RGB	rgb(239, 255, 130)
HSL	hsl(68, 100%, 75%)
HSV	hsv(68, 49%, 100%)
CMYK	cmyk(6.3%, 0%, 49%, 0%)
CIE-LAB	lab(96.61, -22.55, 57.41)
CIE-LCH	lch(96.61, 61.68, 111.45°)
OKLab	oklab(96.29% -0.0643 0.1361)
OKLCH	oklch(96.29% 0.151 115.3)
XYZ	xyz(75.3870, 91.4834, 34.8015)
Luminance	0.9148 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFFF82 #9282FF

analogous

#FFD082 #EFFF82 #B0FF82

triadic

#EFFF82 #82EFFF #FF82EF

tetradic

#EFFF82 #82FFD0 #9282FF #FF82B0

square

#EFFF82 #82FFD0 #9282FF #FF82B0

split-complementary

#EFFF82 #82B0FF #D082FF

monochromatic

#DFFF08 #E7FF45 #EFFF82 #F7FFBF #FBFFE0

Accessibility & contrast

On white

1.09

#EFFF82 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

19.30

#EFFF82 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFFF82

19.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFFF82	#FFFFFF	#000000	##000000
##EFFF82	1.00	1.09	19.30	19.30
#FFFFFF	1.09	1.00	21.00	21.00
#000000	19.30	21.00	1.00	1.00
##000000	19.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFF477

Deuteranopia (green-blind)

#FFF689

Tritanopia (blue-blind)

#FBF3E2

Achromatopsia (no color)

#F5F5F5

Design tokens & code

CSS

--color: #efff82;
/* rgb */ color: rgb(239, 255, 130);
/* oklch */ color: oklch(96.3% 0.151 115.3);

Tailwind

colors: {
  custom: {
    50: '#f6ffa9',
    500: '#efff82',
    950: '#000000',
  },
}

SCSS

$custom: #efff82;
$custom-light: #f6ffa9;
$custom-dark: #000000;

JSON

{
  "hex": "#efff82",
  "rgb": {
    "r": 239,
    "g": 255,
    "b": 130
  },
  "hsl": {
    "h": 67.68,
    "s": 100,
    "l": 75.49
  },
  "oklch": {
    "l": 0.96292,
    "c": 0.15053,
    "h": 115.3
  },
  "luminance": 0.91482
}

Semantic roles & 50–950 ramp

primary

#EFFF82

secondary

#5A47DE

accent

#00E61D

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171810

muted

#858681

Preview Lab

Preview with #EFFF82

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

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