#40E39B#40E39B

#40E39B is a light, vivid teal. Relative luminance 0.584; OKLCH L 81.6% C 0.168 H 159.3°. Best body text is #000000 at 12.68:1 contrast (WCAG AA passes).

Color values

HEX#40E39B
RGBrgb(64, 227, 155)
HSLhsl(153, 74%, 57%)
HSVhsv(153, 72%, 89%)
CMYKcmyk(71.8%, 0%, 31.7%, 11%)
CIE-LABlab(80.96, -57.84, 23.44)
CIE-LCHlch(80.96, 62.41, 157.94°)
OKLaboklab(81.58% -0.1572 0.0593)
OKLCHoklch(81.58% 0.168 159.3)
XYZxyz(35.4962, 58.3906, 40.4038)
Luminance0.5839 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40E39B #E34088
analogous
#40E34A #40E39B #40D9E3
triadic
#40E39B #9B40E3 #E39B40
tetradic
#40E39B #4A40E3 #E34088 #D9E340
square
#40E39B #4A40E3 #E34088 #D9E340
split-complementary
#40E39B #E340D9 #E34A40
monochromatic
#16935C #1DC87D #40E39B #75EBB7 #ABF3D3

Accessibility & contrast

On white

1.66
#40E39B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.68
#40E39B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E39B
12.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40E39B#FFFFFF#000000##000000
##40E39B1.001.6612.6812.68
#FFFFFF1.661.0021.0021.00
#00000012.6821.001.001.00
##00000012.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#E1D297
Deuteranopia (green-blind)
#CCC3A0
Tritanopia (blue-blind)
#00E2D0
Achromatopsia (no color)
#C9C9C9

Design tokens & code

CSS
--color: #40e39b;
/* rgb */ color: rgb(64, 227, 155);
/* oklch */ color: oklch(81.6% 0.168 159.3);
Tailwind
colors: {
  custom: {
    50: '#8aedb8',
    500: '#40e39b',
    950: '#000000',
  },
}
SCSS
$custom: #40e39b;
$custom-light: #8aedb8;
$custom-dark: #000000;
JSON
{
  "hex": "#40e39b",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 155
  },
  "hsl": {
    "h": 153.497,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81581,
    "c": 0.16805,
    "h": 159.3
  },
  "luminance": 0.58395
}

Semantic roles & 50–950 ramp

primary
#40E39B
secondary
#97305E
accent
#3789F1
background
#FCFFFD
surface
#F4FEF8
border
#CED6D1
text
#0D1611
muted
#7F8581

Preview Lab

Preview with #40E39B

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

Preview Lab → · Contrast checker → · Palette generator →

#40E39B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva