#40AA31#40AA31

#40AA31 is a light, vivid green. Relative luminance 0.301; OKLCH L 65.2% C 0.185 H 141.3°. Best body text is #000000 at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#40AA31
RGB	rgb(64, 170, 49)
HSL	hsl(113, 55%, 43%)
HSV	hsv(113, 71%, 67%)
CMYK	cmyk(62.4%, 0%, 71.2%, 33.3%)
CIE-LAB	lab(61.71, -52.99, 50.88)
CIE-LCH	lch(61.71, 73.46, 136.16°)
OKLab	oklab(65.23% -0.1447 0.1159)
OKLCH	oklch(65.23% 0.185 141.3)
XYZ	xyz(17.0426, 30.0596, 7.8091)
Luminance	0.3006 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AA31 #9B31AA

analogous

#7CAA31 #40AA31 #31AA5E

triadic

#40AA31 #3140AA #AA3140

tetradic

#40AA31 #317CAA #9B31AA #AA5E31

square

#40AA31 #317CAA #9B31AA #AA5E31

split-complementary

#40AA31 #5E31AA #AA317C

monochromatic

#1C4B16 #2E7A23 #40AA31 #5CCC4D #88D97C

Accessibility & contrast

On white

2.99

#40AA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.01

#40AA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AA31

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AA31	#FFFFFF	#000000	##000000
##40AA31	1.00	2.99	7.01	7.01
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.01	21.00	1.00	1.00
##000000	7.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9A1E

Deuteranopia (green-blind)

#A1923D

Tritanopia (blue-blind)

#2FA592

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #40aa31;
/* rgb */ color: rgb(64, 170, 49);
/* oklch */ color: oklch(65.2% 0.185 141.3);

Tailwind

colors: {
  custom: {
    50: '#82c470',
    500: '#40aa31',
    950: '#000000',
  },
}

SCSS

$custom: #40aa31;
$custom-light: #82c470;
$custom-dark: #000000;

JSON

{
  "hex": "#40aa31",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 49
  },
  "hsl": {
    "h": 112.562,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.65234,
    "c": 0.18539,
    "h": 141.3
  },
  "luminance": 0.30061
}

Semantic roles & 50–950 ramp

primary

#40AA31

secondary

#B875C2

accent

#49DFCC

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40AA31

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

Preview Lab → · Contrast checker → · Palette generator →