#40AD5E#40AD5E

#40AD5E is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.152 H 149.4°. Best body text is #000000 at 7.36:1 contrast (WCAG AA passes).

Color values

HEX#40AD5E
RGBrgb(64, 173, 94)
HSLhsl(137, 46%, 46%)
HSVhsv(137, 63%, 68%)
CMYKcmyk(63%, 0%, 45.7%, 32.2%)
CIE-LABlab(63.16, -48.47, 31.57)
CIE-LCHlch(63.16, 57.85, 146.92°)
OKLaboklab(66.6% -0.1309 0.0775)
OKLCHoklch(66.6% 0.152 149.4)
XYZxyz(19.0769, 31.7834, 15.7170)
Luminance0.3179 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AD5E #AD408F
analogous
#59AD40 #40AD5E #40AD95
triadic
#40AD5E #5E40AD #AD5E40
tetradic
#40AD5E #4059AD #AD408F #AD9540
square
#40AD5E #4059AD #AD408F #AD9540
split-complementary
#40AD5E #9540AD #AD4059
monochromatic
#1F542D #2F8046 #40AD5E #64C67F #91D6A4

Accessibility & contrast

On white

2.85
#40AD5E on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.36
#40AD5E on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD5E
7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AD5E#FFFFFF#000000##000000
##40AD5E1.002.857.367.36
#FFFFFF2.851.0021.0021.00
#0000007.3621.001.001.00
##0000007.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#AE9F58
Deuteranopia (green-blind)
#A09563
Tritanopia (blue-blind)
#1DAA9A
Achromatopsia (no color)
#999999

Design tokens & code

CSS
--color: #40ad5e;
/* rgb */ color: rgb(64, 173, 94);
/* oklch */ color: oklch(66.6% 0.152 149.4);
Tailwind
colors: {
  custom: {
    50: '#80c68d',
    500: '#40ad5e',
    950: '#000000',
  },
}
SCSS
$custom: #40ad5e;
$custom-light: #80c68d;
$custom-dark: #000000;
JSON
{
  "hex": "#40ad5e",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 94
  },
  "hsl": {
    "h": 136.514,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.66598,
    "c": 0.15209,
    "h": 149.4
  },
  "luminance": 0.31785
}

Semantic roles & 50–950 ramp

primary
#40AD5E
secondary
#C287B2
accent
#52B1D6
background
#F8FCF8
surface
#EFF8F0
border
#CAD1CB
text
#0B130C
muted
#7C827D

Preview Lab

Preview with #40AD5E

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

Preview Lab → · Contrast checker → · Palette generator →

#40AD5E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva