#40C357#40C357

#40C357 is a light, vivid green. Relative luminance 0.408; OKLCH L 72.2% C 0.187 H 146.3°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#40C357
RGB	rgb(64, 195, 87)
HSL	hsl(131, 52%, 51%)
HSV	hsv(131, 67%, 76%)
CMYK	cmyk(67.2%, 0%, 55.4%, 23.5%)
CIE-LAB	lab(70.04, -57.72, 43.56)
CIE-LCH	lch(70.04, 72.31, 142.96°)
OKLab	oklab(72.24% -0.1558 0.1039)
OKLCH	oklch(72.24% 0.187 146.3)
XYZ	xyz(23.3481, 40.8058, 15.6608)
Luminance	0.4081 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C357 #C340AC

analogous

#6AC340 #40C357 #40C398

triadic

#40C357 #5740C3 #C35740

tetradic

#40C357 #406AC3 #C340AC #C39840

square

#40C357 #406AC3 #C340AC #C39840

split-complementary

#40C357 #9840C3 #C3406A

monochromatic

#21682D #2F9741 #40C357 #6FD280 #9DE0A9

Accessibility & contrast

On white

2.29

#40C357 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#40C357 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C357

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C357	#FFFFFF	#000000	##000000
##40C357	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B24D

Deuteranopia (green-blind)

#B6A75F

Tritanopia (blue-blind)

#11BFAB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #40c357;
/* rgb */ color: rgb(64, 195, 87);
/* oklch */ color: oklch(72.2% 0.187 146.3);

Tailwind

colors: {
  custom: {
    50: '#85d689',
    500: '#40c357',
    950: '#000000',
  },
}

SCSS

$custom: #40c357;
$custom-light: #85d689;
$custom-dark: #000000;

JSON

{
  "hex": "#40c357",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 87
  },
  "hsl": {
    "h": 130.534,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72241,
    "c": 0.18729,
    "h": 146.3
  },
  "luminance": 0.40808
}

Semantic roles & 50–950 ramp

primary

#40C357

secondary

#CC92C2

accent

#4CC2DC

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40C357

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

Preview Lab → · Contrast checker → · Palette generator →