#40A437#40A437

#40A437 is a light, vivid green. Relative luminance 0.279; OKLCH L 63.7% C 0.174 H 142.0°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#40A437
RGB	rgb(64, 164, 55)
HSL	hsl(115, 50%, 43%)
HSV	hsv(115, 66%, 64%)
CMYK	cmyk(61%, 0%, 66.5%, 35.7%)
CIE-LAB	lab(59.81, -50.25, 46.41)
CIE-LCH	lch(59.81, 68.40, 137.28°)
OKLab	oklab(63.69% -0.137 0.1072)
OKLCH	oklch(63.69% 0.174 142)
XYZ	xyz(16.0786, 27.9152, 8.1546)
Luminance	0.2792 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A437 #9B37A4

analogous

#76A437 #40A437 #37A464

triadic

#40A437 #3740A4 #A43740

tetradic

#40A437 #3776A4 #9B37A4 #A46437

square

#40A437 #3776A4 #9B37A4 #A46437

split-complementary

#40A437 #6437A4 #A43776

monochromatic

#1C4818 #2E7628 #40A437 #5CC553 #88D581

Accessibility & contrast

On white

3.19

#40A437 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#40A437 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A437

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A437	#FFFFFF	#000000	##000000
##40A437	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A89529

Deuteranopia (green-blind)

#9B8D41

Tritanopia (blue-blind)

#309F8E

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a437;
/* rgb */ color: rgb(64, 164, 55);
/* oklch */ color: oklch(63.7% 0.174 142.0);

Tailwind

colors: {
  custom: {
    50: '#80c073',
    500: '#40a437',
    950: '#000000',
  },
}

SCSS

$custom: #40a437;
$custom-light: #80c073;
$custom-dark: #000000;

JSON

{
  "hex": "#40a437",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 55
  },
  "hsl": {
    "h": 115.046,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.63685,
    "c": 0.17393,
    "h": 142
  },
  "luminance": 0.27917
}

Semantic roles & 50–950 ramp

primary

#40A437

secondary

#B879BE

accent

#4FD9CE

background

#F8FBF7

surface

#EFF7ED

border

#CAD0C8

text

#0B1208

muted

#7C817B

Preview Lab

Preview with #40A437

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

Preview Lab → · Contrast checker → · Palette generator →