#40C939#40C939

#40C939 is a light, highly saturated green. Relative luminance 0.432; OKLCH L 73.5% C 0.216 H 142.4°. Best body text is #000000 at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#40C939
RGB	rgb(64, 201, 57)
HSL	hsl(117, 57%, 51%)
HSV	hsv(117, 72%, 79%)
CMYK	cmyk(68.2%, 0%, 71.6%, 21.2%)
CIE-LAB	lab(71.66, -62.97, 58.14)
CIE-LCH	lch(71.66, 85.70, 137.29°)
OKLab	oklab(73.5% -0.1713 0.1321)
OKLCH	oklch(73.5% 0.216 142.4)
XYZ	xyz(23.7382, 43.1562, 10.9491)
Luminance	0.4316 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C939 #C239C9

analogous

#88C939 #40C939 #39C97A

triadic

#40C939 #3940C9 #C93940

tetradic

#40C939 #3988C9 #C239C9 #C97A39

square

#40C939 #3988C9 #C239C9 #C97A39

split-complementary

#40C939 #7A39C9 #C93988

monochromatic

#216B1D #309B2A #40C939 #6ED669 #9DE399

Accessibility & contrast

On white

2.18

#40C939 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.63

#40C939 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C939

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C939	#FFFFFF	#000000	##000000
##40C939	1.00	2.18	9.63	9.63
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.63	21.00	1.00	1.00
##000000	9.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB620

Deuteranopia (green-blind)

#BEAB48

Tritanopia (blue-blind)

#1DC3AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c939;
/* rgb */ color: rgb(64, 201, 57);
/* oklch */ color: oklch(73.5% 0.216 142.4);

Tailwind

colors: {
  custom: {
    50: '#87db78',
    500: '#40c939',
    950: '#000000',
  },
}

SCSS

$custom: #40c939;
$custom-light: #87db78;
$custom-dark: #000000;

JSON

{
  "hex": "#40c939",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 57
  },
  "hsl": {
    "h": 117.083,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.73495,
    "c": 0.2163,
    "h": 142.4
  },
  "luminance": 0.43159
}

Semantic roles & 50–950 ramp

primary

#40C939

secondary

#CC8FCF

accent

#47E0D9

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #40C939

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

Preview Lab → · Contrast checker → · Palette generator →