#40DF9B#40DF9B

#40DF9B is a light, vivid teal. Relative luminance 0.562; OKLCH L 80.6% C 0.163 H 160.2°. Best body text is #000000 at 12.25:1 contrast (WCAG AA passes).

Color values

HEX#40DF9B
RGBrgb(64, 223, 155)
HSLhsl(154, 71%, 56%)
HSVhsv(154, 71%, 87%)
CMYKcmyk(71.3%, 0%, 30.5%, 12.5%)
CIE-LABlab(79.74, -56.31, 21.78)
CIE-LCHlch(79.74, 60.38, 158.85°)
OKLaboklab(80.58% -0.1534 0.0552)
OKLCHoklch(80.58% 0.163 160.2)
XYZxyz(34.4149, 56.2279, 40.0433)
Luminance0.5623 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DF9B #DF4084
analogous
#40DF4C #40DF9B #40D3DF
triadic
#40DF9B #9B40DF #DF9B40
tetradic
#40DF9B #4C40DF #DF4084 #D3DF40
square
#40DF9B #4C40DF #DF4084 #D3DF40
split-complementary
#40DF9B #DF40D3 #DF4C40
monochromatic
#188D5B #20C17D #40DF9B #74E8B6 #A9F1D2

Accessibility & contrast

On white

1.71
#40DF9B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.25
#40DF9B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DF9B
12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DF9B#FFFFFF#000000##000000
##40DF9B1.001.7112.2512.25
#FFFFFF1.711.0021.0021.00
#00000012.2521.001.001.00
##00000012.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCCE97
Deuteranopia (green-blind)
#C8C09F
Tritanopia (blue-blind)
#00DECD
Achromatopsia (no color)
#C6C6C6

Design tokens & code

CSS
--color: #40df9b;
/* rgb */ color: rgb(64, 223, 155);
/* oklch */ color: oklch(80.6% 0.163 160.2);
Tailwind
colors: {
  custom: {
    50: '#89eab8',
    500: '#40df9b',
    950: '#000000',
  },
}
SCSS
$custom: #40df9b;
$custom-light: #89eab8;
$custom-dark: #000000;
JSON
{
  "hex": "#40df9b",
  "rgb": {
    "r": 64,
    "g": 223,
    "b": 155
  },
  "hsl": {
    "h": 154.34,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80584,
    "c": 0.16301,
    "h": 160.2
  },
  "luminance": 0.56232
}

Semantic roles & 50–950 ramp

primary
#40DF9B
secondary
#92315B
accent
#3A87EE
background
#FCFEFD
surface
#F4FDF8
border
#CED5D1
text
#0D1611
muted
#7F8481

Preview Lab

Preview with #40DF9B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DF9B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva