#40B631#40B631

#40B631 is a light, vivid green. Relative luminance 0.348; OKLCH L 68.4% C 0.199 H 141.5°. Best body text is #000000 at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#40B631
RGB	rgb(64, 182, 49)
HSL	hsl(113, 58%, 45%)
HSV	hsv(113, 73%, 71%)
CMYK	cmyk(64.8%, 0%, 73.1%, 28.6%)
CIE-LAB	lab(65.57, -57.21, 54.84)
CIE-LCH	lch(65.57, 79.25, 136.21°)
OKLab	oklab(68.43% -0.1561 0.1241)
OKLCH	oklch(68.43% 0.199 141.5)
XYZ	xyz(19.3957, 34.7657, 8.5934)
Luminance	0.3477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B631 #A731B6

analogous

#82B631 #40B631 #31B664

triadic

#40B631 #3140B6 #B63140

tetradic

#40B631 #3182B6 #A731B6 #B66431

square

#40B631 #3182B6 #A731B6 #B66431

split-complementary

#40B631 #6431B6 #B63182

monochromatic

#1E5617 #2F8624 #40B631 #62D153 #8EDE84

Accessibility & contrast

On white

2.64

#40B631 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.95

#40B631 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B631

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B631	#FFFFFF	#000000	##000000
##40B631	1.00	2.64	7.95	7.95
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.95	21.00	1.00	1.00
##000000	7.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA519

Deuteranopia (green-blind)

#AC9C3F

Tritanopia (blue-blind)

#2AB09C

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b631;
/* rgb */ color: rgb(64, 182, 49);
/* oklch */ color: oklch(68.4% 0.199 141.5);

Tailwind

colors: {
  custom: {
    50: '#84cd71',
    500: '#40b631',
    950: '#000000',
  },
}

SCSS

$custom: #40b631;
$custom-light: #84cd71;
$custom-dark: #000000;

JSON

{
  "hex": "#40b631",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 49
  },
  "hsl": {
    "h": 113.233,
    "s": 57.576,
    "l": 45.294
  },
  "oklch": {
    "l": 0.68429,
    "c": 0.19948,
    "h": 141.5
  },
  "luminance": 0.34768
}

Semantic roles & 50–950 ramp

primary

#40B631

secondary

#BF7CC7

accent

#47E1CF

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1408

muted

#7D827B

Preview Lab

Preview with #40B631

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

Preview Lab → · Contrast checker → · Palette generator →