#40CB57#40CB57

#40CB57 is a light, vivid green. Relative luminance 0.445; OKLCH L 74.3% C 0.197 H 145.9°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#40CB57
RGB	rgb(64, 203, 87)
HSL	hsl(130, 57%, 52%)
HSV	hsv(130, 68%, 80%)
CMYK	cmyk(68.5%, 0%, 57.1%, 20.4%)
CIE-LAB	lab(72.55, -60.53, 46.54)
CIE-LCH	lch(72.55, 76.35, 142.45°)
OKLab	oklab(74.32% -0.1634 0.1104)
OKLCH	oklch(74.32% 0.197 145.9)
XYZ	xyz(25.1889, 44.4873, 16.2744)
Luminance	0.4449 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB57 #CB40B4

analogous

#6FCB40 #40CB57 #40CB9D

triadic

#40CB57 #5740CB #CB5740

tetradic

#40CB57 #406FCB #CB40B4 #CB9D40

square

#40CB57 #406FCB #CB40B4 #CB9D40

split-complementary

#40CB57 #9D40CB #CB406F

monochromatic

#1F722D #2CA240 #40CB57 #70D881 #A0E5AC

Accessibility & contrast

On white

2.12

#40CB57 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#40CB57 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB57

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB57	#FFFFFF	#000000	##000000
##40CB57	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)

#CEB94C

Deuteranopia (green-blind)

#BDAD60

Tritanopia (blue-blind)

#05C6B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #40cb57;
/* rgb */ color: rgb(64, 203, 87);
/* oklch */ color: oklch(74.3% 0.197 145.9);

Tailwind

colors: {
  custom: {
    50: '#86dc8a',
    500: '#40cb57',
    950: '#000000',
  },
}

SCSS

$custom: #40cb57;
$custom-light: #86dc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb57",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 87
  },
  "hsl": {
    "h": 129.928,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.74319,
    "c": 0.19722,
    "h": 145.9
  },
  "luminance": 0.4449
}

Semantic roles & 50–950 ramp

primary

#40CB57

secondary

#D295C8

accent

#47C7E0

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CB57

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

Preview Lab → · Contrast checker → · Palette generator →