#40A643#40A643

#40A643 is a light, vivid green. Relative luminance 0.288; OKLCH L 64.4% C 0.167 H 143.8°. Best body text is #000000 at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#40A643
RGB	rgb(64, 166, 67)
HSL	hsl(122, 44%, 45%)
HSV	hsv(122, 61%, 65%)
CMYK	cmyk(61.4%, 0%, 59.6%, 34.9%)
CIE-LAB	lab(60.57, -49.67, 41.86)
CIE-LCH	lch(60.57, 64.95, 139.88°)
OKLab	oklab(64.35% -0.1348 0.0987)
OKLCH	oklch(64.35% 0.167 143.8)
XYZ	xyz(16.7627, 28.7661, 9.9781)
Luminance	0.2877 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A643 #A640A3

analogous

#70A640 #40A643 #40A676

triadic

#40A643 #4340A6 #A64340

tetradic

#40A643 #4070A6 #A640A3 #A67640

square

#40A643 #4070A6 #A640A3 #A67640

split-complementary

#40A643 #7640A6 #A64070

monochromatic

#1E4E1F #2F7A31 #40A643 #61C264 #8DD38F

Accessibility & contrast

On white

3.11

#40A643 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.75

#40A643 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A643

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A643	#FFFFFF	#000000	##000000
##40A643	1.00	3.11	6.75	6.75
#FFFFFF	3.11	1.00	21.00	21.00
#000000	6.75	21.00	1.00	1.00
##000000	6.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99739

Deuteranopia (green-blind)

#9C8F4B

Tritanopia (blue-blind)

#2CA290

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #40a643;
/* rgb */ color: rgb(64, 166, 67);
/* oklch */ color: oklch(64.4% 0.167 143.8);

Tailwind

colors: {
  custom: {
    50: '#80c17a',
    500: '#40a643',
    950: '#000000',
  },
}

SCSS

$custom: #40a643;
$custom-light: #80c17a;
$custom-dark: #000000;

JSON

{
  "hex": "#40a643",
  "rgb": {
    "r": 64,
    "g": 166,
    "b": 67
  },
  "hsl": {
    "h": 121.765,
    "s": 44.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.64352,
    "c": 0.16704,
    "h": 143.8
  },
  "luminance": 0.28768
}

Semantic roles & 50–950 ramp

primary

#40A643

secondary

#BE84BC

accent

#54D0D4

background

#F8FCF7

surface

#EFF8EE

border

#CAD1C9

text

#0B1209

muted

#7C817B

Preview Lab

Preview with #40A643

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

Preview Lab → · Contrast checker → · Palette generator →