#40B02B#40B02B

#40B02B is a light, vivid green. Relative luminance 0.323; OKLCH L 66.8% C 0.196 H 140.9°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#40B02B
RGB	rgb(64, 176, 43)
HSL	hsl(111, 61%, 43%)
HSV	hsv(111, 76%, 69%)
CMYK	cmyk(63.6%, 0%, 75.6%, 31%)
CIE-LAB	lab(63.60, -55.58, 55.01)
CIE-LCH	lch(63.60, 78.20, 135.30°)
OKLab	oklab(66.79% -0.1521 0.1237)
OKLCH	oklch(66.79% 0.196 140.9)
XYZ	xyz(18.0748, 32.3133, 7.5696)
Luminance	0.3231 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B02B #9B2BB0

analogous

#83B02B #40B02B #2BB058

triadic

#40B02B #2B40B0 #B02B40

tetradic

#40B02B #2B83B0 #9B2BB0 #B0582B

square

#40B02B #2B83B0 #9B2BB0 #B0582B

split-complementary

#40B02B #582BB0 #B02B83

monochromatic

#1C4E13 #2E7F1F #40B02B #5CD246 #88DE78

Accessibility & contrast

On white

2.81

#40B02B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#40B02B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B02B

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B02B	#FFFFFF	#000000	##000000
##40B02B	1.00	2.81	7.46	7.46
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A00E

Deuteranopia (green-blind)

#A79739

Tritanopia (blue-blind)

#2DAA97

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b02b;
/* rgb */ color: rgb(64, 176, 43);
/* oklch */ color: oklch(66.8% 0.196 140.9);

Tailwind

colors: {
  custom: {
    50: '#83c96e',
    500: '#40b02b',
    950: '#000000',
  },
}

SCSS

$custom: #40b02b;
$custom-light: #83c96e;
$custom-dark: #000000;

JSON

{
  "hex": "#40b02b",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 43
  },
  "hsl": {
    "h": 110.526,
    "s": 60.731,
    "l": 42.941
  },
  "oklch": {
    "l": 0.6679,
    "c": 0.19601,
    "h": 140.9
  },
  "luminance": 0.32315
}

Semantic roles & 50–950 ramp

primary

#40B02B

secondary

#B871C6

accent

#44E4CB

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40B02B

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

Preview Lab → · Contrast checker → · Palette generator →