#40C379#40C379

#40C379 is a light, vivid green. Relative luminance 0.415; OKLCH L 72.8% C 0.157 H 154.4°. Best body text is #000000 at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#40C379
RGB	rgb(64, 195, 121)
HSL	hsl(146, 52%, 51%)
HSV	hsv(146, 67%, 76%)
CMYK	cmyk(67.2%, 0%, 37.9%, 23.5%)
CIE-LAB	lab(70.52, -52.25, 27.08)
CIE-LCH	lch(70.52, 58.85, 152.60°)
OKLab	oklab(72.8% -0.1413 0.0677)
OKLCH	oklch(72.8% 0.157 154.4)
XYZ	xyz(25.0784, 41.4980, 24.7737)
Luminance	0.4150 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C379 #C3408A

analogous

#48C340 #40C379 #40C3BA

triadic

#40C379 #7940C3 #C37940

tetradic

#40C379 #4048C3 #C3408A #C3BA40

square

#40C379 #4048C3 #C3408A #C3BA40

split-complementary

#40C379 #BA40C3 #C34048

monochromatic

#216840 #2F975C #40C379 #6FD29A #9DE0BA

Accessibility & contrast

On white

2.26

#40C379 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.30

#40C379 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C379

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C379	#FFFFFF	#000000	##000000
##40C379	1.00	2.26	9.30	9.30
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.30	21.00	1.00	1.00
##000000	9.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3B474

Deuteranopia (green-blind)

#B2A87E

Tritanopia (blue-blind)

#00C1B0

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #40c379;
/* rgb */ color: rgb(64, 195, 121);
/* oklch */ color: oklch(72.8% 0.157 154.4);

Tailwind

colors: {
  custom: {
    50: '#84d6a0',
    500: '#40c379',
    950: '#000000',
  },
}

SCSS

$custom: #40c379;
$custom-light: #84d6a0;
$custom-dark: #000000;

JSON

{
  "hex": "#40c379",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 121
  },
  "hsl": {
    "h": 146.107,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.72797,
    "c": 0.15664,
    "h": 154.4
  },
  "luminance": 0.41501
}

Semantic roles & 50–950 ramp

primary

#40C379

secondary

#CC92B3

accent

#4C9DDC

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C140F

muted

#7D837E

Preview Lab

Preview with #40C379

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

Preview Lab → · Contrast checker → · Palette generator →