#4EF381#4EF381

#4EF381 is a very light, highly saturated green. Relative luminance 0.673; OKLCH L 85.4% C 0.206 H 149.7°. Best body text is #000000 at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#4EF381
RGB	rgb(78, 243, 129)
HSL	hsl(139, 87%, 63%)
HSV	hsv(139, 68%, 95%)
CMYK	cmyk(67.9%, 0%, 46.9%, 4.7%)
CIE-LAB	lab(85.66, -66.15, 42.73)
CIE-LCH	lch(85.66, 78.74, 147.14°)
OKLab	oklab(85.4% -0.1782 0.1043)
OKLCH	oklch(85.4% 0.206 149.7)
XYZ	xyz(39.1518, 67.3016, 31.6918)
Luminance	0.6731 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EF381 #F34EC0

analogous

#6EF34E #4EF381 #4EF3D3

triadic

#4EF381 #814EF3 #F3814E

tetradic

#4EF381 #4E6EF3 #F34EC0 #F3D34E

square

#4EF381 #4E6EF3 #F34EC0 #F3D34E

split-complementary

#4EF381 #D34EF3 #F34E6E

monochromatic

#0DBA42 #15EF58 #4EF381 #87F7AA #C1FBD3

Accessibility & contrast

On white

1.45

#4EF381 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.46

#4EF381 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EF381

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EF381	#FFFFFF	#000000	##000000
##4EF381	1.00	1.45	14.46	14.46
#FFFFFF	1.45	1.00	21.00	21.00
#000000	14.46	21.00	1.00	1.00
##000000	14.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DF78

Deuteranopia (green-blind)

#E1D189

Tritanopia (blue-blind)

#00EFD8

Achromatopsia (no color)

#D6D6D6

Design tokens & code

CSS

--color: #4ef381;
/* rgb */ color: rgb(78, 243, 129);
/* oklch */ color: oklch(85.4% 0.206 149.7);

Tailwind

colors: {
  custom: {
    50: '#93f8a7',
    500: '#4ef381',
    950: '#000000',
  },
}

SCSS

$custom: #4ef381;
$custom-light: #93f8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#4ef381",
  "rgb": {
    "r": 78,
    "g": 243,
    "b": 129
  },
  "hsl": {
    "h": 138.545,
    "s": 87.302,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85401,
    "c": 0.20644,
    "h": 149.7
  },
  "luminance": 0.67306
}

Semantic roles & 50–950 ramp

primary

#4EF381

secondary

#B92D8D

accent

#029EE4

background

#FCFFFC

surface

#F5FFF6

border

#CFD7D0

text

#0F1710

muted

#808580

Preview Lab

Preview with #4EF381

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

Preview Lab → · Contrast checker → · Palette generator →