#4ECC6F#4ECC6F

#4ECC6F is a light, vivid green. Relative luminance 0.460; OKLCH L 75.3% C 0.172 H 149.1°. Best body text is #000000 at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC6F
RGB	rgb(78, 204, 111)
HSL	hsl(136, 55%, 55%)
HSV	hsv(136, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 45.6%, 20%)
CIE-LAB	lab(73.51, -54.72, 36.18)
CIE-LCH	lch(73.51, 65.60, 146.53°)
OKLab	oklab(75.31% -0.1478 0.0886)
OKLCH	oklch(75.31% 0.172 149.1)
XYZ	xyz(27.6020, 45.9504, 22.4505)
Luminance	0.4595 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC6F #CC4EAB

analogous

#6CCC4E #4ECC6F #4ECCAE

triadic

#4ECC6F #6F4ECC #CC6F4E

tetradic

#4ECC6F #4E6CCC #CC4EAB #CCAE4E

square

#4ECC6F #4E6CCC #CC4EAB #CCAE4E

split-complementary

#4ECC6F #AE4ECC #CC4E6C

monochromatic

#247C3B #31AB51 #4ECC6F #7EDA96 #ADE7BC

Accessibility & contrast

On white

2.06

#4ECC6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.19

#4ECC6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC6F

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC6F	#FFFFFF	#000000	##000000
##4ECC6F	1.00	2.06	10.19	10.19
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.19	21.00	1.00	1.00
##000000	10.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEBB68

Deuteranopia (green-blind)

#BDB075

Tritanopia (blue-blind)

#28C8B6

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #4ecc6f;
/* rgb */ color: rgb(78, 204, 111);
/* oklch */ color: oklch(75.3% 0.172 149.1);

Tailwind

colors: {
  custom: {
    50: '#8cdc99',
    500: '#4ecc6f',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc6f;
$custom-light: #8cdc99;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc6f",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 111
  },
  "hsl": {
    "h": 135.714,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75308,
    "c": 0.17232,
    "h": 149.1
  },
  "luminance": 0.45953
}

Semantic roles & 50–950 ramp

primary

#4ECC6F

secondary

#D5A1C7

accent

#49B7DF

background

#F9FDF9

surface

#F1FBF2

border

#CBD4CC

text

#0D150E

muted

#7E837E

Preview Lab

Preview with #4ECC6F

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

Preview Lab → · Contrast checker → · Palette generator →