#40E391#40E391

#40E391 is a light, vivid green. Relative luminance 0.581; OKLCH L 81.4% C 0.177 H 156.3°. Best body text is #000000 at 12.61:1 contrast (WCAG AA passes).

Color values

HEX#40E391
RGBrgb(64, 227, 145)
HSLhsl(150, 74%, 57%)
HSVhsv(150, 72%, 89%)
CMYKcmyk(71.8%, 0%, 36.1%, 11%)
CIE-LABlab(80.78, -59.82, 28.35)
CIE-LCHlch(80.78, 66.20, 154.64°)
OKLaboklab(81.38% -0.1618 0.0711)
OKLCHoklch(81.38% 0.177 156.3)
XYZxyz(34.6910, 58.0685, 36.1626)
Luminance0.5807 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40E391 #E34092
analogous
#41E340 #40E391 #40E3E3
triadic
#40E391 #9140E3 #E39140
tetradic
#40E391 #4041E3 #E34092 #E3E340
square
#40E391 #4041E3 #E34092 #E3E340
split-complementary
#40E391 #E340E3 #E34041
monochromatic
#169354 #1DC872 #40E391 #75EBB0 #ABF3CE

Accessibility & contrast

On white

1.66
#40E391 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.61
#40E391 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E391
12.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40E391#FFFFFF#000000##000000
##40E3911.001.6612.6112.61
#FFFFFF1.661.0021.0021.00
#00000012.6121.001.001.00
##00000012.6121.001.001.00

Color blindness preview

Protanopia (red-blind)
#E2D18C
Deuteranopia (green-blind)
#CEC396
Tritanopia (blue-blind)
#00E1CE
Achromatopsia (no color)
#C8C8C8

Design tokens & code

CSS
--color: #40e391;
/* rgb */ color: rgb(64, 227, 145);
/* oklch */ color: oklch(81.4% 0.177 156.3);
Tailwind
colors: {
  custom: {
    50: '#8aedb2',
    500: '#40e391',
    950: '#000000',
  },
}
SCSS
$custom: #40e391;
$custom-light: #8aedb2;
$custom-dark: #000000;
JSON
{
  "hex": "#40e391",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 145
  },
  "hsl": {
    "h": 149.816,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.81376,
    "c": 0.1767,
    "h": 156.3
  },
  "luminance": 0.58072
}

Semantic roles & 50–950 ramp

primary
#40E391
secondary
#973064
accent
#3794F1
background
#FCFFFD
surface
#F4FEF7
border
#CED6D0
text
#0D1611
muted
#7F8581

Preview Lab

Preview with #40E391

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

Preview Lab → · Contrast checker → · Palette generator →

#40E391 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva