#40CB3B#40CB3B

#40CB3B is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.0% C 0.217 H 142.6°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX#40CB3B
RGBrgb(64, 203, 59)
HSLhsl(118, 58%, 51%)
HSVhsv(118, 71%, 80%)
CMYKcmyk(68.5%, 0%, 70.9%, 20.4%)
CIE-LABlab(72.31, -63.47, 58.06)
CIE-LCHlch(72.31, 86.02, 137.55°)
OKLaboklab(74.03% -0.1726 0.1322)
OKLCHoklch(74.03% 0.217 142.6)
XYZxyz(24.2583, 44.1150, 11.3734)
Luminance0.4412 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40CB3B #C63BCB
analogous
#88CB3B #40CB3B #3BCB7E
triadic
#40CB3B #3B40CB #CB3B40
tetradic
#40CB3B #3B88CB #C63BCB #CB7E3B
square
#40CB3B #3B88CB #C63BCB #CB7E3B
split-complementary
#40CB3B #7E3BCB #CB3B88
monochromatic
#206E1D #2E9F2A #40CB3B #6FD86B #9EE59C

Accessibility & contrast

On white

2.14
#40CB3B on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.82
#40CB3B on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB3B
9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40CB3B#FFFFFF#000000##000000
##40CB3B1.002.149.829.82
#FFFFFF2.141.0021.0021.00
#0000009.8221.001.001.00
##0000009.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0B823
Deuteranopia (green-blind)
#BFAD49
Tritanopia (blue-blind)
#1BC5AF
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #40cb3b;
/* rgb */ color: rgb(64, 203, 59);
/* oklch */ color: oklch(74.0% 0.217 142.6);
Tailwind
colors: {
  custom: {
    50: '#88dc79',
    500: '#40cb3b',
    950: '#000000',
  },
}
SCSS
$custom: #40cb3b;
$custom-light: #88dc79;
$custom-dark: #000000;
JSON
{
  "hex": "#40cb3b",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 59
  },
  "hsl": {
    "h": 117.917,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74034,
    "c": 0.21736,
    "h": 142.6
  },
  "luminance": 0.44118
}

Semantic roles & 50–950 ramp

primary
#40CB3B
secondary
#CE91D1
accent
#47E1DC
background
#F9FDF7
surface
#F1FBEE
border
#CBD4C9
text
#0D150A
muted
#7E837C

Preview Lab

Preview with #40CB3B

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

Preview Lab → · Contrast checker → · Palette generator →

#40CB3B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva