#40B437#40B437

#40B437 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.193 H 142.1°. Best body text is #000000 at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#40B437
RGB	rgb(64, 180, 55)
HSL	hsl(116, 53%, 46%)
HSV	hsv(116, 69%, 71%)
CMYK	cmyk(64.4%, 0%, 69.4%, 29.4%)
CIE-LAB	lab(64.97, -56.01, 51.93)
CIE-LCH	lch(64.97, 76.38, 137.16°)
OKLab	oklab(67.95% -0.1526 0.1188)
OKLCH	oklch(67.95% 0.193 142.1)
XYZ	xyz(19.1242, 34.0064, 9.1698)
Luminance	0.3401 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B437 #AB37B4

analogous

#7EB437 #40B437 #37B46C

triadic

#40B437 #3740B4 #B43740

tetradic

#40B437 #377EB4 #AB37B4 #B46C37

square

#40B437 #377EB4 #AB37B4 #B46C37

split-complementary

#40B437 #6C37B4 #B4377E

monochromatic

#1F561A #2F8529 #40B437 #63CD5B #90DB8A

Accessibility & contrast

On white

2.69

#40B437 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.80

#40B437 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B437

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B437	#FFFFFF	#000000	##000000
##40B437	1.00	2.69	7.80	7.80
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.80	21.00	1.00	1.00
##000000	7.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A324

Deuteranopia (green-blind)

#AA9A43

Tritanopia (blue-blind)

#29AF9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b437;
/* rgb */ color: rgb(64, 180, 55);
/* oklch */ color: oklch(67.9% 0.193 142.1);

Tailwind

colors: {
  custom: {
    50: '#83cb74',
    500: '#40b437',
    950: '#000000',
  },
}

SCSS

$custom: #40b437;
$custom-light: #83cb74;
$custom-dark: #000000;

JSON

{
  "hex": "#40b437",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 55
  },
  "hsl": {
    "h": 115.68,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67947,
    "c": 0.19339,
    "h": 142.1
  },
  "luminance": 0.34008
}

Semantic roles & 50–950 ramp

primary

#40B437

secondary

#C181C6

accent

#4BDDD2

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B437

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

Preview Lab → · Contrast checker → · Palette generator →