#40DD8B#40DD8B

#40DD8B is a light, vivid green. Relative luminance 0.547; OKLCH L 79.8% C 0.174 H 155.5°. Best body text is #000000 at 11.93:1 contrast (WCAG AA passes).

Color values

HEX#40DD8B
RGBrgb(64, 221, 139)
HSLhsl(149, 70%, 56%)
HSVhsv(149, 71%, 87%)
CMYKcmyk(71%, 0%, 37.1%, 13.3%)
CIE-LABlab(78.85, -58.73, 28.84)
CIE-LCHlch(78.85, 65.43, 153.84°)
OKLaboklab(79.75% -0.1587 0.0722)
OKLCHoklch(79.75% 0.174 155.5)
XYZxyz(32.6280, 54.6632, 33.2526)
Luminance0.5467 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40DD8B #DD4092
analogous
#43DD40 #40DD8B #40DDD9
triadic
#40DD8B #8B40DD #DD8B40
tetradic
#40DD8B #4043DD #DD4092 #DDD940
square
#40DD8B #4043DD #DD4092 #DDD940
split-complementary
#40DD8B #D940DD #DD4043
monochromatic
#198A4F #22BE6C #40DD8B #74E6AB #A8EFCA

Accessibility & contrast

On white

1.76
#40DD8B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.93
#40DD8B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD8B
11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40DD8B#FFFFFF#000000##000000
##40DD8B1.001.7611.9311.93
#FFFFFF1.761.0021.0021.00
#00000011.9321.001.001.00
##00000011.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#DCCB86
Deuteranopia (green-blind)
#C9BE90
Tritanopia (blue-blind)
#00DBC8
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #40dd8b;
/* rgb */ color: rgb(64, 221, 139);
/* oklch */ color: oklch(79.8% 0.174 155.5);
Tailwind
colors: {
  custom: {
    50: '#89e9ad',
    500: '#40dd8b',
    950: '#000000',
  },
}
SCSS
$custom: #40dd8b;
$custom-light: #89e9ad;
$custom-dark: #000000;
JSON
{
  "hex": "#40dd8b",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 139
  },
  "hsl": {
    "h": 148.662,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79752,
    "c": 0.17435,
    "h": 155.5
  },
  "luminance": 0.54667
}

Semantic roles & 50–950 ramp

primary
#40DD8B
secondary
#903163
accent
#3B98ED
background
#FCFEFD
surface
#F4FDF7
border
#CED5D0
text
#0D1610
muted
#7F8481

Preview Lab

Preview with #40DD8B

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

Preview Lab → · Contrast checker → · Palette generator →

#40DD8B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva