#40CB81#40CB81

#40CB81 is a light, vivid green. Relative luminance 0.454; OKLCH L 75.0% C 0.160 H 155.6°. Best body text is #000000 at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#40CB81
RGB	rgb(64, 203, 129)
HSL	hsl(148, 57%, 52%)
HSV	hsv(148, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 36.5%, 20.4%)
CIE-LAB	lab(73.14, -53.82, 26.39)
CIE-LCH	lch(73.14, 59.94, 153.88°)
OKLab	oklab(75% -0.1456 0.0662)
OKLCH	oklch(75% 0.16 155.6)
XYZ	xyz(27.4302, 45.3838, 28.0790)
Luminance	0.4539 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB81 #CB408A

analogous

#44CB40 #40CB81 #40CBC7

triadic

#40CB81 #8140CB #CB8140

tetradic

#40CB81 #4044CB #CB408A #CBC740

square

#40CB81 #4044CB #CB408A #CBC740

split-complementary

#40CB81 #C740CB #CB4044

monochromatic

#1F7246 #2CA263 #40CB81 #70D8A1 #A0E5C0

Accessibility & contrast

On white

2.08

#40CB81 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.08

#40CB81 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB81

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB81	#FFFFFF	#000000	##000000
##40CB81	1.00	2.08	10.08	10.08
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.08	21.00	1.00	1.00
##000000	10.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CABB7C

Deuteranopia (green-blind)

#B9AF86

Tritanopia (blue-blind)

#00C9B8

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40cb81;
/* rgb */ color: rgb(64, 203, 129);
/* oklch */ color: oklch(75.0% 0.160 155.6);

Tailwind

colors: {
  custom: {
    50: '#86dca6',
    500: '#40cb81',
    950: '#000000',
  },
}

SCSS

$custom: #40cb81;
$custom-light: #86dca6;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb81",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 129
  },
  "hsl": {
    "h": 148.058,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74999,
    "c": 0.15996,
    "h": 155.6
  },
  "luminance": 0.45387
}

Semantic roles & 50–950 ramp

primary

#40CB81

secondary

#D295B5

accent

#4799E0

background

#F8FDFA

surface

#F0FBF4

border

#CBD4CE

text

#0C150F

muted

#7D837F

Preview Lab

Preview with #40CB81

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

Preview Lab → · Contrast checker → · Palette generator →