#40B137#40B137

#40B137 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.2% C 0.190 H 142.1°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#40B137
RGB	rgb(64, 177, 55)
HSL	hsl(116, 53%, 45%)
HSV	hsv(116, 69%, 69%)
CMYK	cmyk(63.8%, 0%, 68.9%, 30.6%)
CIE-LAB	lab(64.01, -54.95, 50.92)
CIE-LCH	lch(64.01, 74.92, 137.18°)
OKLab	oklab(67.15% -0.1497 0.1167)
OKLCH	oklch(67.15% 0.19 142.1)
XYZ	xyz(18.5251, 32.8083, 8.9701)
Luminance	0.3281 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B137 #A837B1

analogous

#7DB137 #40B137 #37B16B

triadic

#40B137 #3740B1 #B13740

tetradic

#40B137 #377DB1 #A837B1 #B16B37

square

#40B137 #377DB1 #A837B1 #B16B37

split-complementary

#40B137 #6B37B1 #B1377D

monochromatic

#1E541A #2F8228 #40B137 #62CC5A #8EDA88

Accessibility & contrast

On white

2.78

#40B137 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#40B137 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B137

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B137	#FFFFFF	#000000	##000000
##40B137	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A125

Deuteranopia (green-blind)

#A79842

Tritanopia (blue-blind)

#2BAC98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b137;
/* rgb */ color: rgb(64, 177, 55);
/* oklch */ color: oklch(67.2% 0.190 142.1);

Tailwind

colors: {
  custom: {
    50: '#83c974',
    500: '#40b137',
    950: '#000000',
  },
}

SCSS

$custom: #40b137;
$custom-light: #83c974;
$custom-dark: #000000;

JSON

{
  "hex": "#40b137",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 55
  },
  "hsl": {
    "h": 115.574,
    "s": 52.586,
    "l": 45.49
  },
  "oklch": {
    "l": 0.67151,
    "c": 0.18982,
    "h": 142.1
  },
  "luminance": 0.3281
}

Semantic roles & 50–950 ramp

primary

#40B137

secondary

#BF80C4

accent

#4CDCD1

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B137

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

Preview Lab → · Contrast checker → · Palette generator →