#40D155#40D155

#40D155 is a light, highly saturated green. Relative luminance 0.473; OKLCH L 75.8% C 0.206 H 145.4°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX#40D155
RGBrgb(64, 209, 85)
HSLhsl(129, 61%, 54%)
HSVhsv(129, 69%, 82%)
CMYKcmyk(69.4%, 0%, 59.3%, 18%)
CIE-LABlab(74.41, -62.84, 49.61)
CIE-LCHlch(74.41, 80.06, 141.71°)
OKLaboklab(75.85% -0.1697 0.117)
OKLCHoklch(75.85% 0.206 145.4)
XYZxyz(26.5527, 47.3439, 16.3315)
Luminance0.4735 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D155 #D140BC
analogous
#73D140 #40D155 #40D19D
triadic
#40D155 #5540D1 #D15540
tetradic
#40D155 #4073D1 #D140BC #D19D40
square
#40D155 #4073D1 #D140BC #D19D40
split-complementary
#40D155 #9D40D1 #D14073
monochromatic
#1D792B #29AB3C #40D155 #71DD81 #A3E9AD

Accessibility & contrast

On white

2.01
#40D155 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.47
#40D155 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D155
10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D155#FFFFFF#000000##000000
##40D1551.002.0110.4710.47
#FFFFFF2.011.0021.0021.00
#00000010.4721.001.001.00
##00000010.4721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D4BE48
Deuteranopia (green-blind)
#C3B25F
Tritanopia (blue-blind)
#00CCB6
Achromatopsia (no color)
#B7B7B7

Design tokens & code

CSS
--color: #40d155;
/* rgb */ color: rgb(64, 209, 85);
/* oklch */ color: oklch(75.8% 0.206 145.4);
Tailwind
colors: {
  custom: {
    50: '#88e089',
    500: '#40d155',
    950: '#000000',
  },
}
SCSS
$custom: #40d155;
$custom-light: #88e089;
$custom-dark: #000000;
JSON
{
  "hex": "#40d155",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 85
  },
  "hsl": {
    "h": 128.69,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75848,
    "c": 0.2061,
    "h": 145.4
  },
  "luminance": 0.47347
}

Semantic roles & 50–950 ramp

primary
#40D155
secondary
#D597CC
accent
#44CDE4
background
#F9FDF8
surface
#F1FBF0
border
#CBD4CB
text
#0D150C
muted
#7E837D

Preview Lab

Preview with #40D155

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

Preview Lab → · Contrast checker → · Palette generator →

#40D155 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva