#E4F581#E4F581

#E4F581 is a very light, vivid yellow. Relative luminance 0.834; OKLCH L 93.4% C 0.142 H 116.1°. Best body text is #000000 at 17.68:1 contrast (WCAG AA passes).

Color values

HEX	#E4F581
RGB	rgb(228, 245, 129)
HSL	hsl(69, 85%, 73%)
HSV	hsv(69, 47%, 96%)
CMYK	cmyk(6.9%, 0%, 47.3%, 3.9%)
CIE-LAB	lab(93.18, -22.09, 53.57)
CIE-LCH	lch(93.18, 57.95, 112.41°)
OKLab	oklab(93.35% -0.0626 0.1277)
OKLCH	oklch(93.35% 0.142 116.1)
XYZ	xyz(68.6106, 83.3845, 33.2450)
Luminance	0.8338 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#E4F581 #9281F5

analogous

#F5CC81 #E4F581 #AAF581

triadic

#E4F581 #81E4F5 #F581E4

tetradic

#E4F581 #81F5CC #9281F5 #F581AA

square

#E4F581 #81F5CC #9281F5 #F581AA

split-complementary

#E4F581 #81AAF5 #CC81F5

monochromatic

#CAE913 #D8F048 #E4F581 #F0F9BA #F9FDE3

Accessibility & contrast

On white

1.19

#E4F581 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

17.68

#E4F581 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #E4F581

17.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##E4F581	#FFFFFF	#000000	##000000
##E4F581	1.00	1.19	17.68	17.68
#FFFFFF	1.19	1.00	21.00	21.00
#000000	17.68	21.00	1.00	1.00
##000000	17.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB77

Deuteranopia (green-blind)

#FFEC87

Tritanopia (blue-blind)

#EFEADA

Achromatopsia (no color)

#EBEBEB

Design tokens & code

CSS

--color: #e4f581;
/* rgb */ color: rgb(228, 245, 129);
/* oklch */ color: oklch(93.4% 0.142 116.1);

Tailwind

colors: {
  custom: {
    50: '#eef8a8',
    500: '#e4f581',
    950: '#000000',
  },
}

SCSS

$custom: #e4f581;
$custom-light: #eef8a8;
$custom-dark: #000000;

JSON

{
  "hex": "#e4f581",
  "rgb": {
    "r": 228,
    "g": 245,
    "b": 129
  },
  "hsl": {
    "h": 68.793,
    "s": 85.294,
    "l": 73.333
  },
  "oklch": {
    "l": 0.93354,
    "c": 0.14221,
    "h": 116.1
  },
  "luminance": 0.83384
}

Semantic roles & 50–950 ramp

primary

#E4F581

secondary

#5D49D1

accent

#04E224

background

#FFFFFD

surface

#FEFEF7

border

#D6D6D0

text

#171710

muted

#858581

Preview Lab

Preview with #E4F581

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

Preview Lab → · Contrast checker → · Palette generator →