#4ECC55#4ECC55

#4ECC55 is a light, vivid green. Relative luminance 0.455; OKLCH L 74.9% C 0.195 H 144.2°. Best body text is #000000 at 10.09:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC55
RGB	rgb(78, 204, 85)
HSL	hsl(123, 55%, 55%)
HSV	hsv(123, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 58.3%, 20%)
CIE-LAB	lab(73.19, -58.33, 48.29)
CIE-LCH	lch(73.19, 75.73, 140.38°)
OKLab	oklab(74.94% -0.1581 0.114)
OKLCH	oklch(74.94% 0.195 144.2)
XYZ	xyz(26.3729, 45.4588, 15.9772)
Luminance	0.4546 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC55 #CC4EC5

analogous

#86CC4E #4ECC55 #4ECC94

triadic

#4ECC55 #554ECC #CC554E

tetradic

#4ECC55 #4E86CC #CC4EC5 #CC944E

square

#4ECC55 #4E86CC #CC4EC5 #CC944E

split-complementary

#4ECC55 #944ECC #CC4E86

monochromatic

#247C29 #31AB38 #4ECC55 #7EDA83 #ADE7B0

Accessibility & contrast

On white

2.08

#4ECC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.09

#4ECC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC55

10.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC55	#FFFFFF	#000000	##000000
##4ECC55	1.00	2.08	10.09	10.09
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.09	21.00	1.00	1.00
##000000	10.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA49

Deuteranopia (green-blind)

#C0B05E

Tritanopia (blue-blind)

#33C7B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc55;
/* rgb */ color: rgb(78, 204, 85);
/* oklch */ color: oklch(74.9% 0.195 144.2);

Tailwind

colors: {
  custom: {
    50: '#8ddd88',
    500: '#4ecc55',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc55;
$custom-light: #8ddd88;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc55",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 85
  },
  "hsl": {
    "h": 123.333,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.7494,
    "c": 0.19496,
    "h": 144.2
  },
  "luminance": 0.45461
}

Semantic roles & 50–950 ramp

primary

#4ECC55

secondary

#D5A1D2

accent

#49D6DF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #4ECC55

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

Preview Lab → · Contrast checker → · Palette generator →