#40C370#40C370

#40C370 is a light, vivid green. Relative luminance 0.413; OKLCH L 72.6% C 0.165 H 151.8°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#40C370
RGB	rgb(64, 195, 112)
HSL	hsl(142, 52%, 51%)
HSV	hsv(142, 67%, 76%)
CMYK	cmyk(67.2%, 0%, 42.6%, 23.5%)
CIE-LAB	lab(70.38, -53.88, 31.56)
CIE-LCH	lch(70.38, 62.44, 149.64°)
OKLab	oklab(72.63% -0.1453 0.078)
OKLCH	oklch(72.63% 0.165 151.8)
XYZ	xyz(24.5521, 41.2874, 22.0014)
Luminance	0.4129 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C370 #C34093

analogous

#51C340 #40C370 #40C3B1

triadic

#40C370 #7040C3 #C37040

tetradic

#40C370 #4051C3 #C34093 #C3B140

square

#40C370 #4051C3 #C34093 #C3B140

split-complementary

#40C370 #B140C3 #C34051

monochromatic

#21683B #2F9755 #40C370 #6FD293 #9DE0B6

Accessibility & contrast

On white

2.27

#40C370 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#40C370 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C370

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C370	#FFFFFF	#000000	##000000
##40C370	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4B36A

Deuteranopia (green-blind)

#B3A876

Tritanopia (blue-blind)

#00C0AF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #40c370;
/* rgb */ color: rgb(64, 195, 112);
/* oklch */ color: oklch(72.6% 0.165 151.8);

Tailwind

colors: {
  custom: {
    50: '#84d69a',
    500: '#40c370',
    950: '#000000',
  },
}

SCSS

$custom: #40c370;
$custom-light: #84d69a;
$custom-dark: #000000;

JSON

{
  "hex": "#40c370",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 112
  },
  "hsl": {
    "h": 141.985,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72629,
    "c": 0.16495,
    "h": 151.8
  },
  "luminance": 0.4129
}

Semantic roles & 50–950 ramp

primary

#40C370

secondary

#CC92B7

accent

#4CA7DC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140E

muted

#7D837E

Preview Lab

Preview with #40C370

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

Preview Lab → · Contrast checker → · Palette generator →