#4ECC64#4ECC64

#4ECC64 is a light, vivid green. Relative luminance 0.457; OKLCH L 75.1% C 0.182 H 146.7°. Best body text is #000000 at 10.15:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC64
RGB	rgb(78, 204, 100)
HSL	hsl(130, 55%, 55%)
HSV	hsv(130, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 51%, 20%)
CIE-LAB	lab(73.37, -56.38, 41.43)
CIE-LCH	lch(73.37, 69.96, 143.69°)
OKLab	oklab(75.14% -0.1524 0.1)
OKLCH	oklch(75.14% 0.182 146.7)
XYZ	xyz(27.0332, 45.7229, 19.4549)
Luminance	0.4573 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC64 #CC4EB6

analogous

#77CC4E #4ECC64 #4ECCA3

triadic

#4ECC64 #644ECC #CC644E

tetradic

#4ECC64 #4E77CC #CC4EB6 #CCA34E

square

#4ECC64 #4E77CC #CC4EB6 #CCA34E

split-complementary

#4ECC64 #A34ECC #CC4E77

monochromatic

#247C33 #31AB47 #4ECC64 #7EDA8E #ADE7B7

Accessibility & contrast

On white

2.07

#4ECC64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.15

#4ECC64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC64

10.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC64	#FFFFFF	#000000	##000000
##4ECC64	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)

#CFBB5B

Deuteranopia (green-blind)

#BFB06C

Tritanopia (blue-blind)

#2DC8B4

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc64;
/* rgb */ color: rgb(78, 204, 100);
/* oklch */ color: oklch(75.1% 0.182 146.7);

Tailwind

colors: {
  custom: {
    50: '#8cdc92',
    500: '#4ecc64',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc64;
$custom-light: #8cdc92;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc64",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 100
  },
  "hsl": {
    "h": 130.476,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75138,
    "c": 0.18225,
    "h": 146.7
  },
  "luminance": 0.45726
}

Semantic roles & 50–950 ramp

primary

#4ECC64

secondary

#D5A1CC

accent

#49C5DF

background

#F9FDF9

surface

#F1FBF1

border

#CBD4CB

text

#0D150D

muted

#7E837E

Preview Lab

Preview with #4ECC64

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

Preview Lab → · Contrast checker → · Palette generator →