#40CA5F#40CA5F

#40CA5F is a light, vivid green. Relative luminance 0.442; OKLCH L 74.2% C 0.189 H 147.3°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX#40CA5F
RGBrgb(64, 202, 95)
HSLhsl(133, 57%, 52%)
HSVhsv(133, 68%, 79%)
CMYKcmyk(68.3%, 0%, 53%, 20.8%)
CIE-LABlab(72.33, -59.11, 42.50)
CIE-LCHlch(72.33, 72.80, 144.28°)
OKLaboklab(74.17% -0.1593 0.1021)
OKLCHoklch(74.17% 0.189 147.3)
XYZxyz(25.2986, 44.1545, 18.0137)
Luminance0.4416 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CA5F #CA40AB
analogous
#66CA40 #40CA5F #40CAA4
triadic
#40CA5F #5F40CA #CA5F40
tetradic
#40CA5F #4066CA #CA40AB #CAA440
square
#40CA5F #4066CA #CA40AB #CAA440
split-complementary
#40CA5F #A440CA #CA4066
monochromatic
#1F7031 #2CA047 #40CA5F #70D787 #A0E5AF

Accessibility & contrast

On white

2.14
#40CA5F on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.83
#40CA5F on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CA5F
9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CA5F#FFFFFF#000000##000000
##40CA5F1.002.149.839.83
#FFFFFF2.141.0021.0021.00
#0000009.8321.001.001.00
##0000009.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#CCB855
Deuteranopia (green-blind)
#BCAD67
Tritanopia (blue-blind)
#00C6B2
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #40ca5f;
/* rgb */ color: rgb(64, 202, 95);
/* oklch */ color: oklch(74.2% 0.189 147.3);
Tailwind
colors: {
  custom: {
    50: '#86db8f',
    500: '#40ca5f',
    950: '#000000',
  },
}
SCSS
$custom: #40ca5f;
$custom-light: #86db8f;
$custom-dark: #000000;
JSON
{
  "hex": "#40ca5f",
  "rgb": {
    "r": 64,
    "g": 202,
    "b": 95
  },
  "hsl": {
    "h": 133.478,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.74166,
    "c": 0.18926,
    "h": 147.3
  },
  "luminance": 0.44157
}

Semantic roles & 50–950 ramp

primary
#40CA5F
secondary
#D195C3
accent
#48BEE0
background
#F8FDF8
surface
#F0FBF0
border
#CBD4CB
text
#0D150C
muted
#7D837D

Preview Lab

Preview with #40CA5F

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

Preview Lab → · Contrast checker → · Palette generator →

#40CA5F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva