#4ED128#4ED128

#4ED128 is a light, highly saturated green. Relative luminance 0.474; OKLCH L 75.9% C 0.229 H 140.0°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#4ED128
RGB	rgb(78, 209, 40)
HSL	hsl(107, 68%, 49%)
HSV	hsv(107, 81%, 82%)
CMYK	cmyk(62.7%, 0%, 80.9%, 18%)
CIE-LAB	lab(74.43, -63.85, 66.39)
CIE-LCH	lch(74.43, 92.11, 133.88°)
OKLab	oklab(75.86% -0.1753 0.1469)
OKLCH	oklch(75.86% 0.229 140)
XYZ	xyz(26.3241, 47.3713, 9.7634)
Luminance	0.4737 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ED128 #AB28D1

analogous

#A3D128 #4ED128 #28D157

triadic

#4ED128 #284ED1 #D1284E

tetradic

#4ED128 #28A3D1 #AB28D1 #D15728

square

#4ED128 #28A3D1 #AB28D1 #D15728

split-complementary

#4ED128 #5728D1 #D128A3

monochromatic

#286A14 #3B9E1E #4ED128 #76DF57 #A0E98B

Accessibility & contrast

On white

2.00

#4ED128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#4ED128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ED128

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ED128	#FFFFFF	#000000	##000000
##4ED128	1.00	2.00	10.47	10.47
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE00

Deuteranopia (green-blind)

#C7B33D

Tritanopia (blue-blind)

#3ACAB2

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #4ed128;
/* rgb */ color: rgb(78, 209, 40);
/* oklch */ color: oklch(75.9% 0.229 140.0);

Tailwind

colors: {
  custom: {
    50: '#90e071',
    500: '#4ed128',
    950: '#000000',
  },
}

SCSS

$custom: #4ed128;
$custom-light: #90e071;
$custom-dark: #000000;

JSON

{
  "hex": "#4ed128",
  "rgb": {
    "r": 78,
    "g": 209,
    "b": 40
  },
  "hsl": {
    "h": 106.509,
    "s": 67.871,
    "l": 48.824
  },
  "oklch": {
    "l": 0.75856,
    "c": 0.22873,
    "h": 140
  },
  "luminance": 0.47374
}

Semantic roles & 50–950 ramp

primary

#4ED128

secondary

#C182D3

accent

#3DEBC4

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #4ED128

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

Preview Lab → · Contrast checker → · Palette generator →