#4ECC66#4ECC66

#4ECC66 is a light, vivid green. Relative luminance 0.458; OKLCH L 75.2% C 0.180 H 147.1°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC66
RGB	rgb(78, 204, 102)
HSL	hsl(131, 55%, 55%)
HSV	hsv(131, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 50%, 20%)
CIE-LAB	lab(73.39, -56.09, 40.49)
CIE-LCH	lch(73.39, 69.18, 144.18°)
OKLab	oklab(75.17% -0.1516 0.098)
OKLCH	oklch(75.17% 0.18 147.1)
XYZ	xyz(27.1312, 45.7621, 19.9710)
Luminance	0.4577 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC66 #CC4EB4

analogous

#75CC4E #4ECC66 #4ECCA5

triadic

#4ECC66 #664ECC #CC664E

tetradic

#4ECC66 #4E75CC #CC4EB4 #CCA54E

square

#4ECC66 #4E75CC #CC4EB4 #CCA54E

split-complementary

#4ECC66 #A54ECC #CC4E75

monochromatic

#247C35 #31AB49 #4ECC66 #7EDA8F #ADE7B8

Accessibility & contrast

On white

2.07

#4ECC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#4ECC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC66

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC66	#FFFFFF	#000000	##000000
##4ECC66	1.00	2.07	10.15	10.15
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.15	21.00	1.00	1.00
##000000	10.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBB5D

Deuteranopia (green-blind)

#BEB06D

Tritanopia (blue-blind)

#2CC8B4

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc66;
/* rgb */ color: rgb(78, 204, 102);
/* oklch */ color: oklch(75.2% 0.180 147.1);

Tailwind

colors: {
  custom: {
    50: '#8cdc93',
    500: '#4ecc66',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc66;
$custom-light: #8cdc93;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc66",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 102
  },
  "hsl": {
    "h": 131.429,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75168,
    "c": 0.18047,
    "h": 147.1
  },
  "luminance": 0.45765
}

Semantic roles & 50–950 ramp

primary

#4ECC66

secondary

#D5A1CB

accent

#49C2DF

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #4ECC66

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

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