#40AD28#40AD28

#40AD28 is a light, vivid green. Relative luminance 0.311; OKLCH L 66.0% C 0.194 H 140.6°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#40AD28
RGB	rgb(64, 173, 40)
HSL	hsl(109, 62%, 42%)
HSV	hsv(109, 77%, 68%)
CMYK	cmyk(63%, 0%, 76.9%, 32.2%)
CIE-LAB	lab(62.62, -54.74, 55.06)
CIE-LCH	lch(62.62, 77.64, 134.83°)
OKLab	oklab(65.97% -0.1499 0.1234)
OKLCH	oklch(65.97% 0.194 140.6)
XYZ	xyz(17.4401, 31.1287, 7.0964)
Luminance	0.3113 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD28 #9528AD

analogous

#83AD28 #40AD28 #28AD53

triadic

#40AD28 #2840AD #AD2840

tetradic

#40AD28 #2883AD #9528AD #AD5328

square

#40AD28 #2883AD #9528AD #AD5328

split-complementary

#40AD28 #5328AD #AD2883

monochromatic

#1B4A11 #2E7B1D #40AD28 #5AD33F #85DE71

Accessibility & contrast

On white

2.91

#40AD28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#40AD28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD28

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD28	#FFFFFF	#000000	##000000
##40AD28	1.00	2.91	7.23	7.23
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D07

Deuteranopia (green-blind)

#A49437

Tritanopia (blue-blind)

#2FA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ad28;
/* rgb */ color: rgb(64, 173, 40);
/* oklch */ color: oklch(66.0% 0.194 140.6);

Tailwind

colors: {
  custom: {
    50: '#83c66c',
    500: '#40ad28',
    950: '#000000',
  },
}

SCSS

$custom: #40ad28;
$custom-light: #83c66c;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad28",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 40
  },
  "hsl": {
    "h": 109.173,
    "s": 62.441,
    "l": 41.765
  },
  "oklch": {
    "l": 0.65969,
    "c": 0.19418,
    "h": 140.6
  },
  "luminance": 0.3113
}

Semantic roles & 50–950 ramp

primary

#40AD28

secondary

#B56CC5

accent

#42E6C8

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40AD28

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

Preview Lab → · Contrast checker → · Palette generator →