#40C66B#40C66B

#40C66B is a light, vivid green. Relative luminance 0.425; OKLCH L 73.3% C 0.173 H 150.2°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#40C66B
RGB	rgb(64, 198, 107)
HSL	hsl(139, 54%, 51%)
HSV	hsv(139, 68%, 78%)
CMYK	cmyk(67.7%, 0%, 46%, 22.4%)
CIE-LAB	lab(71.24, -55.84, 35.22)
CIE-LCH	lch(71.24, 66.02, 147.76°)
OKLab	oklab(73.32% -0.1505 0.0863)
OKLCH	oklch(73.32% 0.173 150.2)
XYZ	xyz(24.9603, 42.5370, 20.8021)
Luminance	0.4254 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C66B #C6409B

analogous

#58C640 #40C66B #40C6AE

triadic

#40C66B #6B40C6 #C66B40

tetradic

#40C66B #4058C6 #C6409B #C6AE40

square

#40C66B #4058C6 #C6409B #C6AE40

split-complementary

#40C66B #AE40C6 #C64058

monochromatic

#206C38 #2E9B51 #40C66B #6FD490 #9EE2B4

Accessibility & contrast

On white

2.21

#40C66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#40C66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C66B

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C66B	#FFFFFF	#000000	##000000
##40C66B	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B564

Deuteranopia (green-blind)

#B7AA71

Tritanopia (blue-blind)

#00C3B0

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #40c66b;
/* rgb */ color: rgb(64, 198, 107);
/* oklch */ color: oklch(73.3% 0.173 150.2);

Tailwind

colors: {
  custom: {
    50: '#85d896',
    500: '#40c66b',
    950: '#000000',
  },
}

SCSS

$custom: #40c66b;
$custom-light: #85d896;
$custom-dark: #000000;

JSON

{
  "hex": "#40c66b",
  "rgb": {
    "r": 64,
    "g": 198,
    "b": 107
  },
  "hsl": {
    "h": 139.254,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.73316,
    "c": 0.17348,
    "h": 150.2
  },
  "luminance": 0.4254
}

Semantic roles & 50–950 ramp

primary

#40C66B

secondary

#CE93BB

accent

#4AAEDD

background

#F8FDF9

surface

#F0FAF2

border

#CBD3CC

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #40C66B

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

Preview Lab → · Contrast checker → · Palette generator →