#EFF681#EFF681

#EFF681 is a very light, vivid yellow. Relative luminance 0.858; OKLCH L 94.4% C 0.141 H 111.8°. Best body text is #000000 at 18.17:1 contrast (WCAG AA passes).

Color values

HEX	#EFF681
RGB	rgb(239, 246, 129)
HSL	hsl(64, 87%, 74%)
HSV	hsv(64, 48%, 96%)
CMYK	cmyk(2.8%, 0%, 47.6%, 3.5%)
CIE-LAB	lab(94.25, -18.33, 55.04)
CIE-LCH	lch(94.25, 58.01, 108.41°)
OKLab	oklab(94.4% -0.0524 0.1308)
OKLCH	oklch(94.4% 0.141 111.8)
XYZ	xyz(72.5161, 85.8486, 33.5150)
Luminance	0.8585 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF681 #8881F6

analogous

#F6C281 #EFF681 #B4F681

triadic

#EFF681 #81EFF6 #F681EF

tetradic

#EFF681 #81F6C2 #8881F6 #F681B4

square

#EFF681 #81F6C2 #8881F6 #F681B4

split-complementary

#EFF681 #81B4F6 #C281F6

monochromatic

#DFEC11 #E8F248 #EFF681 #F6FABA #FBFDE2

Accessibility & contrast

On white

1.16

#EFF681 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.17

#EFF681 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF681

18.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF681	#FFFFFF	#000000	##000000
##EFF681	1.00	1.16	18.17	18.17
#FFFFFF	1.16	1.00	21.00	21.00
#000000	18.17	21.00	1.00	1.00
##000000	18.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFED77

Deuteranopia (green-blind)

#FFF087

Tritanopia (blue-blind)

#FCEADB

Achromatopsia (no color)

#EEEEEE

Design tokens & code

CSS

--color: #eff681;
/* rgb */ color: rgb(239, 246, 129);
/* oklch */ color: oklch(94.4% 0.141 111.8);

Tailwind

colors: {
  custom: {
    50: '#f6f9a8',
    500: '#eff681',
    950: '#000000',
  },
}

SCSS

$custom: #eff681;
$custom-light: #f6f9a8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff681",
  "rgb": {
    "r": 239,
    "g": 246,
    "b": 129
  },
  "hsl": {
    "h": 63.59,
    "s": 86.667,
    "l": 73.529
  },
  "oklch": {
    "l": 0.94403,
    "c": 0.14094,
    "h": 111.8
  },
  "luminance": 0.85847
}

Semantic roles & 50–950 ramp

primary

#EFF681

secondary

#5149D2

accent

#02E310

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF681

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

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