#40CB64#40CB64

#40CB64 is a light, vivid green. Relative luminance 0.447; OKLCH L 74.5% C 0.186 H 148.2°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#40CB64
RGB	rgb(64, 203, 100)
HSL	hsl(136, 57%, 52%)
HSV	hsv(136, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 50.7%, 20.4%)
CIE-LAB	lab(72.71, -58.75, 40.54)
CIE-LCH	lch(72.71, 71.38, 145.39°)
OKLab	oklab(74.5% -0.1583 0.098)
OKLCH	oklch(74.5% 0.186 148.2)
XYZ	xyz(25.7686, 44.7192, 19.3277)
Luminance	0.4472 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB64 #CB40A7

analogous

#61CB40 #40CB64 #40CBAA

triadic

#40CB64 #6440CB #CB6440

tetradic

#40CB64 #4061CB #CB40A7 #CBAA40

square

#40CB64 #4061CB #CB40A7 #CBAA40

split-complementary

#40CB64 #AA40CB #CB4061

monochromatic

#1F7234 #2CA24B #40CB64 #70D88B #A0E5B2

Accessibility & contrast

On white

2.11

#40CB64 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#40CB64 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB64

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB64	#FFFFFF	#000000	##000000
##40CB64	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDBA5B

Deuteranopia (green-blind)

#BCAE6C

Tritanopia (blue-blind)

#00C7B3

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb64;
/* rgb */ color: rgb(64, 203, 100);
/* oklch */ color: oklch(74.5% 0.186 148.2);

Tailwind

colors: {
  custom: {
    50: '#86dc92',
    500: '#40cb64',
    950: '#000000',
  },
}

SCSS

$custom: #40cb64;
$custom-light: #86dc92;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb64",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 100
  },
  "hsl": {
    "h": 135.54,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74496,
    "c": 0.18619,
    "h": 148.2
  },
  "luminance": 0.44722
}

Semantic roles & 50–950 ramp

primary

#40CB64

secondary

#D295C2

accent

#47B9E0

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0D150D

muted

#7D837E

Preview Lab

Preview with #40CB64

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

Preview Lab → · Contrast checker → · Palette generator →