#40BC3F#40BC3F

#40BC3F is a light, vivid green. Relative luminance 0.374; OKLCH L 70.1% C 0.197 H 143.0°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#40BC3F
RGB	rgb(64, 188, 63)
HSL	hsl(120, 50%, 49%)
HSV	hsv(120, 66%, 74%)
CMYK	cmyk(66%, 0%, 66.5%, 26.3%)
CIE-LAB	lab(67.59, -58.04, 51.49)
CIE-LCH	lch(67.59, 77.59, 138.43°)
OKLab	oklab(70.13% -0.1577 0.1188)
OKLCH	oklch(70.13% 0.197 143)
XYZ	xyz(20.9936, 37.4132, 10.8168)
Luminance	0.3741 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BC3F #BB3FBC

analogous

#7FBC3F #40BC3F #3FBC7D

triadic

#40BC3F #3F40BC #BC3F40

tetradic

#40BC3F #3F7FBC #BB3FBC #BC7D3F

square

#40BC3F #3F7FBC #BB3FBC #BC7D3F

split-complementary

#40BC3F #7D3FBC #BC3F7F

monochromatic

#216020 #308E30 #40BC3F #6CCD6B #99DD99

Accessibility & contrast

On white

2.48

#40BC3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#40BC3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BC3F

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BC3F	#FFFFFF	#000000	##000000
##40BC3F	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AB2F

Deuteranopia (green-blind)

#B1A14A

Tritanopia (blue-blind)

#23B7A2

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bc3f;
/* rgb */ color: rgb(64, 188, 63);
/* oklch */ color: oklch(70.1% 0.197 143.0);

Tailwind

colors: {
  custom: {
    50: '#84d17a',
    500: '#40bc3f',
    950: '#000000',
  },
}

SCSS

$custom: #40bc3f;
$custom-light: #84d17a;
$custom-dark: #000000;

JSON

{
  "hex": "#40bc3f",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 63
  },
  "hsl": {
    "h": 119.52,
    "s": 49.801,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70134,
    "c": 0.19742,
    "h": 143
  },
  "luminance": 0.37415
}

Semantic roles & 50–950 ramp

primary

#40BC3F

secondary

#C88EC9

accent

#4ED9D8

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #40BC3F

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

Preview Lab → · Contrast checker → · Palette generator →