#4ECC50#4ECC50

#4ECC50 is a light, vivid green. Relative luminance 0.454; OKLCH L 74.9% C 0.199 H 143.5°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC50
RGB	rgb(78, 204, 80)
HSL	hsl(121, 55%, 55%)
HSV	hsv(121, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 60.8%, 20%)
CIE-LAB	lab(73.14, -58.91, 50.47)
CIE-LCH	lch(73.14, 77.58, 139.41°)
OKLab	oklab(74.88% -0.1599 0.1183)
OKLCH	oklch(74.88% 0.199 143.5)
XYZ	xyz(26.1812, 45.3821, 14.9678)
Luminance	0.4538 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC50 #CC4ECA

analogous

#8BCC4E #4ECC50 #4ECC8F

triadic

#4ECC50 #504ECC #CC504E

tetradic

#4ECC50 #4E8BCC #CC4ECA #CC8F4E

square

#4ECC50 #4E8BCC #CC4ECA #CC8F4E

split-complementary

#4ECC50 #8F4ECC #CC4E8B

monochromatic

#247C25 #31AB33 #4ECC50 #7EDA7F #ADE7AE

Accessibility & contrast

On white

2.08

#4ECC50 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#4ECC50 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC50

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC50	#FFFFFF	#000000	##000000
##4ECC50	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0BA42

Deuteranopia (green-blind)

#C0AF5A

Tritanopia (blue-blind)

#35C7B1

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #4ecc50;
/* rgb */ color: rgb(78, 204, 80);
/* oklch */ color: oklch(74.9% 0.199 143.5);

Tailwind

colors: {
  custom: {
    50: '#8ddd85',
    500: '#4ecc50',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc50;
$custom-light: #8ddd85;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc50",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 80
  },
  "hsl": {
    "h": 120.952,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.74883,
    "c": 0.19892,
    "h": 143.5
  },
  "luminance": 0.45385
}

Semantic roles & 50–950 ramp

primary

#4ECC50

secondary

#D5A1D4

accent

#49DCDF

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #4ECC50

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

Preview Lab → · Contrast checker → · Palette generator →