#40E399#40E399

#40E399 is a light, vivid teal. Relative luminance 0.583; OKLCH L 81.5% C 0.170 H 158.7°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX#40E399
RGBrgb(64, 227, 153)
HSLhsl(153, 74%, 57%)
HSVhsv(153, 72%, 89%)
CMYKcmyk(71.8%, 0%, 32.6%, 11%)
CIE-LABlab(80.92, -58.25, 24.43)
CIE-LCHlch(80.92, 63.16, 157.25°)
OKLaboklab(81.54% -0.1581 0.0617)
OKLCHoklch(81.54% 0.17 158.7)
XYZxyz(35.3297, 58.3240, 39.5265)
Luminance0.5833 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40E399 #E3408A
analogous
#40E348 #40E399 #40DBE3
triadic
#40E399 #9940E3 #E39940
tetradic
#40E399 #4840E3 #E3408A #DBE340
square
#40E399 #4840E3 #E3408A #DBE340
split-complementary
#40E399 #E340DB #E34840
monochromatic
#16935A #1DC87B #40E399 #75EBB6 #ABF3D2

Accessibility & contrast

On white

1.66
#40E399 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.67
#40E399 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E399
12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40E399#FFFFFF#000000##000000
##40E3991.001.6612.6712.67
#FFFFFF1.661.0021.0021.00
#00000012.6721.001.001.00
##00000012.6721.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1D294
Deuteranopia (green-blind)
#CDC39E
Tritanopia (blue-blind)
#00E2D0
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #40e399;
/* rgb */ color: rgb(64, 227, 153);
/* oklch */ color: oklch(81.5% 0.170 158.7);
Tailwind
colors: {
  custom: {
    50: '#8aedb7',
    500: '#40e399',
    950: '#000000',
  },
}
SCSS
$custom: #40e399;
$custom-light: #8aedb7;
$custom-dark: #000000;
JSON
{
  "hex": "#40e399",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 153
  },
  "hsl": {
    "h": 152.761,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81539,
    "c": 0.16975,
    "h": 158.7
  },
  "luminance": 0.58328
}

Semantic roles & 50–950 ramp

primary
#40E399
secondary
#97305F
accent
#378BF1
background
#FCFFFD
surface
#F4FEF8
border
#CED6D1
text
#0D1611
muted
#7F8581

Preview Lab

Preview with #40E399

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

Preview Lab → · Contrast checker → · Palette generator →

#40E399 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva