#4ECC71#4ECC71

#4ECC71 is a light, vivid green. Relative luminance 0.460; OKLCH L 75.3% C 0.170 H 149.5°. Best body text is #000000 at 10.20:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC71
RGB	rgb(78, 204, 113)
HSL	hsl(137, 55%, 55%)
HSV	hsv(137, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 44.6%, 20%)
CIE-LAB	lab(73.54, -54.40, 35.21)
CIE-LCH	lch(73.54, 64.80, 147.09°)
OKLab	oklab(75.34% -0.1469 0.0865)
OKLCH	oklch(75.34% 0.17 149.5)
XYZ	xyz(27.7133, 45.9949, 23.0370)
Luminance	0.4600 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC71 #CC4EA9

analogous

#6ACC4E #4ECC71 #4ECCB0

triadic

#4ECC71 #714ECC #CC714E

tetradic

#4ECC71 #4E6ACC #CC4EA9 #CCB04E

square

#4ECC71 #4E6ACC #CC4EA9 #CCB04E

split-complementary

#4ECC71 #B04ECC #CC4E6A

monochromatic

#247C3C #31AB53 #4ECC71 #7EDA97 #ADE7BD

Accessibility & contrast

On white

2.06

#4ECC71 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.20

#4ECC71 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC71

10.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC71	#FFFFFF	#000000	##000000
##4ECC71	1.00	2.06	10.20	10.20
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.20	21.00	1.00	1.00
##000000	10.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDBB6A

Deuteranopia (green-blind)

#BDB077

Tritanopia (blue-blind)

#26C8B6

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #4ecc71;
/* rgb */ color: rgb(78, 204, 113);
/* oklch */ color: oklch(75.3% 0.170 149.5);

Tailwind

colors: {
  custom: {
    50: '#8cdc9b',
    500: '#4ecc71',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc71;
$custom-light: #8cdc9b;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc71",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 113
  },
  "hsl": {
    "h": 136.667,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75342,
    "c": 0.17049,
    "h": 149.5
  },
  "luminance": 0.45998
}

Semantic roles & 50–950 ramp

primary

#4ECC71

secondary

#D5A1C7

accent

#49B5DF

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #4ECC71

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

Preview Lab → · Contrast checker → · Palette generator →