#40AD27#40AD27

#40AD27 is a light, vivid green. Relative luminance 0.311; OKLCH L 66.0% C 0.195 H 140.5°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#40AD27
RGB	rgb(64, 173, 39)
HSL	hsl(109, 63%, 42%)
HSV	hsv(109, 77%, 68%)
CMYK	cmyk(63%, 0%, 77.5%, 32.2%)
CIE-LAB	lab(62.61, -54.81, 55.38)
CIE-LCH	lch(62.61, 77.92, 134.70°)
OKLab	oklab(65.96% -0.1502 0.1239)
OKLCH	oklch(65.96% 0.195 140.5)
XYZ	xyz(17.4233, 31.1219, 7.0080)
Luminance	0.3112 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD27 #9427AD

analogous

#83AD27 #40AD27 #27AD51

triadic

#40AD27 #2740AD #AD2740

tetradic

#40AD27 #2783AD #9427AD #AD5127

square

#40AD27 #2783AD #9427AD #AD5127

split-complementary

#40AD27 #5127AD #AD2783

monochromatic

#1B4910 #2E7B1C #40AD27 #5AD33E #84DF70

Accessibility & contrast

On white

2.91

#40AD27 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#40AD27 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD27

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD27	#FFFFFF	#000000	##000000
##40AD27	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D03

Deuteranopia (green-blind)

#A59436

Tritanopia (blue-blind)

#2FA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ad27;
/* rgb */ color: rgb(64, 173, 39);
/* oklch */ color: oklch(66.0% 0.195 140.5);

Tailwind

colors: {
  custom: {
    50: '#83c66b',
    500: '#40ad27',
    950: '#000000',
  },
}

SCSS

$custom: #40ad27;
$custom-light: #83c66b;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad27",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 39
  },
  "hsl": {
    "h": 108.806,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65962,
    "c": 0.19471,
    "h": 140.5
  },
  "luminance": 0.31124
}

Semantic roles & 50–950 ramp

primary

#40AD27

secondary

#B46AC6

accent

#42E6C8

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40AD27

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

Preview Lab → · Contrast checker → · Palette generator →