#40AC28#40AC28

#40AC28 is a light, vivid green. Relative luminance 0.307; OKLCH L 65.7% C 0.193 H 140.5°. Best body text is #000000 at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#40AC28
RGB	rgb(64, 172, 40)
HSL	hsl(109, 62%, 42%)
HSV	hsv(109, 77%, 67%)
CMYK	cmyk(62.8%, 0%, 76.7%, 32.5%)
CIE-LAB	lab(62.29, -54.39, 54.74)
CIE-LCH	lch(62.29, 77.17, 134.81°)
OKLab	oklab(65.7% -0.149 0.1227)
OKLCH	oklch(65.7% 0.193 140.5)
XYZ	xyz(17.2491, 30.7466, 7.0328)
Luminance	0.3075 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC28 #9428AC

analogous

#82AC28 #40AC28 #28AC52

triadic

#40AC28 #2840AC #AC2840

tetradic

#40AC28 #2882AC #9428AC #AC5228

square

#40AC28 #2882AC #9428AC #AC5228

split-complementary

#40AC28 #5228AC #AC2882

monochromatic

#1B4911 #2E7A1C #40AC28 #5AD23F #84DE71

Accessibility & contrast

On white

2.94

#40AC28 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.15

#40AC28 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC28

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC28	#FFFFFF	#000000	##000000
##40AC28	1.00	2.94	7.15	7.15
#FFFFFF	2.94	1.00	21.00	21.00
#000000	7.15	21.00	1.00	1.00
##000000	7.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C07

Deuteranopia (green-blind)

#A49337

Tritanopia (blue-blind)

#2FA693

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac28;
/* rgb */ color: rgb(64, 172, 40);
/* oklch */ color: oklch(65.7% 0.193 140.5);

Tailwind

colors: {
  custom: {
    50: '#82c66c',
    500: '#40ac28',
    950: '#000000',
  },
}

SCSS

$custom: #40ac28;
$custom-light: #82c66c;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac28",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 40
  },
  "hsl": {
    "h": 109.091,
    "s": 62.264,
    "l": 41.569
  },
  "oklch": {
    "l": 0.65702,
    "c": 0.19303,
    "h": 140.5
  },
  "luminance": 0.30748
}

Semantic roles & 50–950 ramp

primary

#40AC28

secondary

#B46BC5

accent

#42E5C8

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40AC28

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

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