#40CF6E#40CF6E

#40CF6E is a light, vivid green. Relative luminance 0.468; OKLCH L 75.7% C 0.182 H 150.0°. Best body text is #000000 at 10.37:1 contrast (WCAG AA passes).

Color values

HEX#40CF6E
RGBrgb(64, 207, 110)
HSLhsl(139, 60%, 53%)
HSVhsv(139, 69%, 81%)
CMYKcmyk(69.1%, 0%, 46.9%, 18.8%)
CIE-LABlab(74.09, -58.65, 37.34)
CIE-LCHlch(74.09, 69.53, 147.52°)
OKLaboklab(75.68% -0.1579 0.0913)
OKLCHoklch(75.68% 0.182 150)
XYZxyz(27.2395, 46.8384, 22.3540)
Luminance0.4684 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CF6E #CF40A1
analogous
#59CF40 #40CF6E #40CFB6
triadic
#40CF6E #6E40CF #CF6E40
tetradic
#40CF6E #4059CF #CF40A1 #CFB640
square
#40CF6E #4059CF #CF40A1 #CFB640
split-complementary
#40CF6E #B640CF #CF4059
monochromatic
#1E773A #2AA853 #40CF6E #71DB93 #A2E8B8

Accessibility & contrast

On white

2.03
#40CF6E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.37
#40CF6E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CF6E
10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CF6E#FFFFFF#000000##000000
##40CF6E1.002.0310.3710.37
#FFFFFF2.031.0021.0021.00
#00000010.3721.001.001.00
##00000010.3721.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0BE66
Deuteranopia (green-blind)
#BFB175
Tritanopia (blue-blind)
#00CBB8
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #40cf6e;
/* rgb */ color: rgb(64, 207, 110);
/* oklch */ color: oklch(75.7% 0.182 150.0);
Tailwind
colors: {
  custom: {
    50: '#87df99',
    500: '#40cf6e',
    950: '#000000',
  },
}
SCSS
$custom: #40cf6e;
$custom-light: #87df99;
$custom-dark: #000000;
JSON
{
  "hex": "#40cf6e",
  "rgb": {
    "r": 64,
    "g": 207,
    "b": 110
  },
  "hsl": {
    "h": 139.301,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.75679,
    "c": 0.18241,
    "h": 150
  },
  "luminance": 0.46841
}

Semantic roles & 50–950 ramp

primary
#40CF6E
secondary
#D497C0
accent
#45B0E3
background
#F8FDF9
surface
#F0FBF2
border
#CBD4CC
text
#0D150E
muted
#7D837E

Preview Lab

Preview with #40CF6E

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

Preview Lab → · Contrast checker → · Palette generator →

#40CF6E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva