#40B237#40B237

#40B237 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.191 H 142.1°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#40B237
RGB	rgb(64, 178, 55)
HSL	hsl(116, 53%, 46%)
HSV	hsv(116, 69%, 70%)
CMYK	cmyk(64%, 0%, 69.1%, 30.2%)
CIE-LAB	lab(64.33, -55.31, 51.26)
CIE-LCH	lch(64.33, 75.41, 137.18°)
OKLab	oklab(67.42% -0.1507 0.1174)
OKLCH	oklch(67.42% 0.191 142.1)
XYZ	xyz(18.7233, 33.2048, 9.0361)
Luminance	0.3321 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B237 #A937B2

analogous

#7DB237 #40B237 #37B26B

triadic

#40B237 #3740B2 #B23740

tetradic

#40B237 #377DB2 #A937B2 #B26B37

square

#40B237 #377DB2 #A937B2 #B26B37

split-complementary

#40B237 #6B37B2 #B2377D

monochromatic

#1E541A #2F8329 #40B237 #62CC5A #8FDB89

Accessibility & contrast

On white

2.75

#40B237 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#40B237 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B237

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B237	#FFFFFF	#000000	##000000
##40B237	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A225

Deuteranopia (green-blind)

#A89843

Tritanopia (blue-blind)

#2AAD99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b237;
/* rgb */ color: rgb(64, 178, 55);
/* oklch */ color: oklch(67.4% 0.191 142.1);

Tailwind

colors: {
  custom: {
    50: '#83ca74',
    500: '#40b237',
    950: '#000000',
  },
}

SCSS

$custom: #40b237;
$custom-light: #83ca74;
$custom-dark: #000000;

JSON

{
  "hex": "#40b237",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 55
  },
  "hsl": {
    "h": 115.61,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.67416,
    "c": 0.19101,
    "h": 142.1
  },
  "luminance": 0.33207
}

Semantic roles & 50–950 ramp

primary

#40B237

secondary

#C080C5

accent

#4CDCD2

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B237

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

Preview Lab → · Contrast checker → · Palette generator →