#40AA37#40AA37

#40AA37 is a light, vivid green. Relative luminance 0.301; OKLCH L 65.3% C 0.181 H 142.0°. Best body text is #000000 at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#40AA37
RGB	rgb(64, 170, 55)
HSL	hsl(115, 51%, 44%)
HSV	hsv(115, 68%, 67%)
CMYK	cmyk(62.4%, 0%, 67.6%, 33.3%)
CIE-LAB	lab(61.75, -52.45, 48.51)
CIE-LCH	lch(61.75, 71.44, 137.23°)
OKLab	oklab(65.29% -0.1429 0.1116)
OKLCH	oklch(65.29% 0.181 142)
XYZ	xyz(17.1778, 30.1136, 8.5210)
Luminance	0.3011 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AA37 #A137AA

analogous

#7AAA37 #40AA37 #37AA68

triadic

#40AA37 #3740AA #AA3740

tetradic

#40AA37 #377AAA #A137AA #AA6837

square

#40AA37 #377AAA #A137AA #AA6837

split-complementary

#40AA37 #6837AA #AA377A

monochromatic

#1D4E19 #2F7C28 #40AA37 #5FC856 #8BD784

Accessibility & contrast

On white

2.99

#40AA37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.02

#40AA37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AA37

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AA37	#FFFFFF	#000000	##000000
##40AA37	1.00	2.99	7.02	7.02
#FFFFFF	2.99	1.00	21.00	21.00
#000000	7.02	21.00	1.00	1.00
##000000	7.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9B27

Deuteranopia (green-blind)

#A19242

Tritanopia (blue-blind)

#2DA593

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #40aa37;
/* rgb */ color: rgb(64, 170, 55);
/* oklch */ color: oklch(65.3% 0.181 142.0);

Tailwind

colors: {
  custom: {
    50: '#81c473',
    500: '#40aa37',
    950: '#000000',
  },
}

SCSS

$custom: #40aa37;
$custom-light: #81c473;
$custom-dark: #000000;

JSON

{
  "hex": "#40aa37",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 55
  },
  "hsl": {
    "h": 115.304,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.65288,
    "c": 0.18135,
    "h": 142
  },
  "luminance": 0.30115
}

Semantic roles & 50–950 ramp

primary

#40AA37

secondary

#BC7CC1

accent

#4DDBD0

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0B1308

muted

#7C827B

Preview Lab

Preview with #40AA37

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

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