#4ECF99#4ECF99

#4ECF99 is a light, vivid teal. Relative luminance 0.485; OKLCH L 76.9% C 0.139 H 162.3°. Best body text is #000000 at 10.71:1 contrast (WCAG AA passes).

Color values

HEX	#4ECF99
RGB	rgb(78, 207, 153)
HSL	hsl(155, 57%, 56%)
HSV	hsv(155, 62%, 81%)
CMYK	cmyk(62.3%, 0%, 26.1%, 18.8%)
CIE-LAB	lab(75.17, -48.04, 16.55)
CIE-LCH	lch(75.17, 50.81, 160.99°)
OKLab	oklab(76.91% -0.132 0.0422)
OKLCH	oklch(76.91% 0.139 162.3)
XYZ	xyz(31.2014, 48.5420, 37.8560)
Luminance	0.4854 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4ECF99 #CF4E84

analogous

#4ECF58 #4ECF99 #4EC4CF

triadic

#4ECF99 #994ECF #CF994E

tetradic

#4ECF99 #584ECF #CF4E84 #C4CF4E

square

#4ECF99 #584ECF #CF4E84 #C4CF4E

split-complementary

#4ECF99 #CF4EC4 #CF584E

monochromatic

#238059 #30B07A #4ECF99 #7EDCB5 #AEE9D0

Accessibility & contrast

On white

1.96

#4ECF99 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.71

#4ECF99 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4ECF99

10.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4ECF99	#FFFFFF	#000000	##000000
##4ECF99	1.00	1.96	10.71	10.71
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.71	21.00	1.00	1.00
##000000	10.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCC196

Deuteranopia (green-blind)

#BAB49C

Tritanopia (blue-blind)

#00CFC0

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #4ecf99;
/* rgb */ color: rgb(78, 207, 153);
/* oklch */ color: oklch(76.9% 0.139 162.3);

Tailwind

colors: {
  custom: {
    50: '#8cdeb7',
    500: '#4ecf99',
    950: '#000000',
  },
}

SCSS

$custom: #4ecf99;
$custom-light: #8cdeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#4ecf99",
  "rgb": {
    "r": 78,
    "g": 207,
    "b": 153
  },
  "hsl": {
    "h": 154.884,
    "s": 57.333,
    "l": 55.882
  },
  "oklch": {
    "l": 0.76906,
    "c": 0.13856,
    "h": 162.3
  },
  "luminance": 0.48545
}

Semantic roles & 50–950 ramp

primary

#4ECF99

secondary

#D7A2B8

accent

#4787E1

background

#F9FDFB

surface

#F1FBF6

border

#CBD4D0

text

#0D1511

muted

#7E8380

Preview Lab

Preview with #4ECF99

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

Preview Lab → · Contrast checker → · Palette generator →