#40CB59#40CB59

#40CB59 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.3% C 0.196 H 146.3°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#40CB59
RGB	rgb(64, 203, 89)
HSL	hsl(131, 57%, 52%)
HSV	hsv(131, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 56.2%, 20.4%)
CIE-LAB	lab(72.58, -60.27, 45.64)
CIE-LCH	lch(72.58, 75.60, 142.87°)
OKLab	oklab(74.34% -0.1626 0.1086)
OKLCH	oklch(74.34% 0.196 146.3)
XYZ	xyz(25.2717, 44.5204, 16.7107)
Luminance	0.4452 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB59 #CB40B2

analogous

#6DCB40 #40CB59 #40CB9E

triadic

#40CB59 #5940CB #CB5940

tetradic

#40CB59 #406DCB #CB40B2 #CB9E40

square

#40CB59 #406DCB #CB40B2 #CB9E40

split-complementary

#40CB59 #9E40CB #CB406D

monochromatic

#1F722E #2CA241 #40CB59 #70D883 #A0E5AD

Accessibility & contrast

On white

2.12

#40CB59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#40CB59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB59

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB59	#FFFFFF	#000000	##000000
##40CB59	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB94E

Deuteranopia (green-blind)

#BDAE62

Tritanopia (blue-blind)

#02C6B2

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb59;
/* rgb */ color: rgb(64, 203, 89);
/* oklch */ color: oklch(74.3% 0.196 146.3);

Tailwind

colors: {
  custom: {
    50: '#86dc8b',
    500: '#40cb59',
    950: '#000000',
  },
}

SCSS

$custom: #40cb59;
$custom-light: #86dc8b;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb59",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 89
  },
  "hsl": {
    "h": 130.791,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74344,
    "c": 0.19558,
    "h": 146.3
  },
  "luminance": 0.44523
}

Semantic roles & 50–950 ramp

primary

#40CB59

secondary

#D295C7

accent

#47C5E0

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CB59

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

Preview Lab → · Contrast checker → · Palette generator →