#4ECC91#4ECC91

#4ECC91 is a light, vivid teal. Relative luminance 0.469; OKLCH L 76.0% C 0.141 H 159.7°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#4ECC91
RGB	rgb(78, 204, 145)
HSL	hsl(152, 55%, 55%)
HSV	hsv(152, 62%, 80%)
CMYK	cmyk(61.8%, 0%, 28.9%, 20%)
CIE-LAB	lab(74.09, -48.49, 19.31)
CIE-LCH	lch(74.09, 52.19, 158.29°)
OKLab	oklab(75.97% -0.1325 0.0491)
OKLCH	oklch(75.97% 0.141 159.7)
XYZ	xyz(29.8428, 46.8467, 34.2522)
Luminance	0.4685 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECC91 #CC4E89

analogous

#4ECC52 #4ECC91 #4EC8CC

triadic

#4ECC91 #914ECC #CC914E

tetradic

#4ECC91 #524ECC #CC4E89 #C8CC4E

square

#4ECC91 #524ECC #CC4E89 #C8CC4E

split-complementary

#4ECC91 #CC4EC8 #CC524E

monochromatic

#247C53 #31AB72 #4ECC91 #7EDAAF #ADE7CC

Accessibility & contrast

On white

2.03

#4ECC91 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.37

#4ECC91 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECC91

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECC91	#FFFFFF	#000000	##000000
##4ECC91	1.00	2.03	10.37	10.37
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.37	21.00	1.00	1.00
##000000	10.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CABD8E

Deuteranopia (green-blind)

#B9B195

Tritanopia (blue-blind)

#00CBBC

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #4ecc91;
/* rgb */ color: rgb(78, 204, 145);
/* oklch */ color: oklch(76.0% 0.141 159.7);

Tailwind

colors: {
  custom: {
    50: '#8cdcb1',
    500: '#4ecc91',
    950: '#000000',
  },
}

SCSS

$custom: #4ecc91;
$custom-light: #8cdcb1;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecc91",
  "rgb": {
    "r": 78,
    "g": 204,
    "b": 145
  },
  "hsl": {
    "h": 151.905,
    "s": 55.263,
    "l": 55.294
  },
  "oklch": {
    "l": 0.75973,
    "c": 0.14132,
    "h": 159.7
  },
  "luminance": 0.4685
}

Semantic roles & 50–950 ramp

primary

#4ECC91

secondary

#D5A1B9

accent

#498FDF

background

#F9FDFA

surface

#F1FBF5

border

#CBD4CF

text

#0D1510

muted

#7E837F

Preview Lab

Preview with #4ECC91

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

Preview Lab → · Contrast checker → · Palette generator →