#4ECC57#4ECC57

#4ECC57 is a light, vivid green. Relative luminance 0.455; OKLCH L 75.0% C 0.193 H 144.5°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC57
RGB	rgb(78, 204, 87)
HSL	hsl(124, 55%, 55%)
HSV	hsv(124, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 57.4%, 20%)
CIE-LAB	lab(73.21, -58.09, 47.40)
CIE-LCH	lch(73.21, 74.98, 140.79°)
OKLab	oklab(74.96% -0.1574 0.1123)
OKLCH	oklch(74.96% 0.193 144.5)
XYZ	xyz(26.4534, 45.4910, 16.4015)
Luminance	0.4549 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC57 #CC4EC3

analogous

#84CC4E #4ECC57 #4ECC96

triadic

#4ECC57 #574ECC #CC574E

tetradic

#4ECC57 #4E84CC #CC4EC3 #CC964E

square

#4ECC57 #4E84CC #CC4EC3 #CC964E

split-complementary

#4ECC57 #964ECC #CC4E84

monochromatic

#247C2A #31AB3A #4ECC57 #7EDA84 #ADE7B1

Accessibility & contrast

On white

2.08

#4ECC57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#4ECC57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC57

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC57	#FFFFFF	#000000	##000000
##4ECC57	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA4B

Deuteranopia (green-blind)

#C0B060

Tritanopia (blue-blind)

#32C7B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc57;
/* rgb */ color: rgb(78, 204, 87);
/* oklch */ color: oklch(75.0% 0.193 144.5);

Tailwind

colors: {
  custom: {
    50: '#8ddd8a',
    500: '#4ecc57',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc57;
$custom-light: #8ddd8a;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc57",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 87
  },
  "hsl": {
    "h": 124.286,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74964,
    "c": 0.19335,
    "h": 144.5
  },
  "luminance": 0.45494
}

Semantic roles & 50–950 ramp

primary

#4ECC57

secondary

#D5A1D1

accent

#49D4DF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC57

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

Preview Lab → · Contrast checker → · Palette generator →