#EFF981#EFF981

#EFF981 is a very light, vivid yellow. Relative luminance 0.877; OKLCH L 95.0% C 0.144 H 113.1°. Best body text is #000000 at 18.54:1 contrast (WCAG AA passes).

Color values

HEX	#EFF981
RGB	rgb(239, 249, 129)
HSL	hsl(65, 91%, 74%)
HSV	hsv(65, 48%, 98%)
CMYK	cmyk(4%, 0%, 48.2%, 2.4%)
CIE-LAB	lab(95.03, -19.77, 55.98)
CIE-LCH	lch(95.03, 59.37, 109.45°)
OKLab	oklab(95.03% -0.0565 0.1329)
OKLCH	oklch(95.03% 0.144 113.1)
XYZ	xyz(73.4360, 87.6883, 33.8216)
Luminance	0.8769 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#EFF981 #8B81F9

analogous

#F9C781 #EFF981 #B3F981

triadic

#EFF981 #81EFF9 #F981EF

tetradic

#EFF981 #81F9C7 #8B81F9 #F981B3

square

#EFF981 #81F9C7 #8B81F9 #F981B3

split-complementary

#EFF981 #81B3F9 #C781F9

monochromatic

#E0F30C #E8F647 #EFF981 #F6FCBB #FBFEE2

Accessibility & contrast

On white

1.13

#EFF981 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

18.54

#EFF981 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #EFF981

18.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##EFF981	#FFFFFF	#000000	##000000
##EFF981	1.00	1.13	18.54	18.54
#FFFFFF	1.13	1.00	21.00	21.00
#000000	18.54	21.00	1.00	1.00
##000000	18.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEF76

Deuteranopia (green-blind)

#FFF287

Tritanopia (blue-blind)

#FCEDDD

Achromatopsia (no color)

#F1F1F1

Design tokens & code

CSS

--color: #eff981;
/* rgb */ color: rgb(239, 249, 129);
/* oklch */ color: oklch(95.0% 0.144 113.1);

Tailwind

colors: {
  custom: {
    50: '#f6fba8',
    500: '#eff981',
    950: '#000000',
  },
}

SCSS

$custom: #eff981;
$custom-light: #f6fba8;
$custom-dark: #000000;

JSON

{
  "hex": "#eff981",
  "rgb": {
    "r": 239,
    "g": 249,
    "b": 129
  },
  "hsl": {
    "h": 65,
    "s": 90.909,
    "l": 74.118
  },
  "oklch": {
    "l": 0.95027,
    "c": 0.1444,
    "h": 113.1
  },
  "luminance": 0.87687
}

Semantic roles & 50–950 ramp

primary

#EFF981

secondary

#5448D6

accent

#00E613

background

#FFFFFD

surface

#FFFFF7

border

#D7D7D0

text

#171710

muted

#858581

Preview Lab

Preview with #EFF981

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

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