#40AC40#40AC40

#40AC40 is a light, vivid green. Relative luminance 0.310; OKLCH L 65.9% C 0.177 H 143.2°. Best body text is #000000 at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#40AC40
RGB	rgb(64, 172, 64)
HSL	hsl(120, 46%, 46%)
HSV	hsv(120, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 62.8%, 32.5%)
CIE-LAB	lab(62.48, -52.24, 45.41)
CIE-LCH	lch(62.48, 69.22, 139.01°)
OKLab	oklab(65.91% -0.1419 0.106)
OKLCH	oklch(65.91% 0.177 143.2)
XYZ	xyz(17.7913, 30.9635, 9.8885)
Luminance	0.3096 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC40 #AC40AC

analogous

#76AC40 #40AC40 #40AC76

triadic

#40AC40 #4040AC #AC4040

tetradic

#40AC40 #4076AC #AC40AC #AC7640

square

#40AC40 #4076AC #AC40AC #AC7640

split-complementary

#40AC40 #7640AC #AC4076

monochromatic

#1F531F #2F7F2F #40AC40 #64C564 #91D691

Accessibility & contrast

On white

2.92

#40AC40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.19

#40AC40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC40

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC40	#FFFFFF	#000000	##000000
##40AC40	1.00	2.92	7.19	7.19
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.19	21.00	1.00	1.00
##000000	7.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09D34

Deuteranopia (green-blind)

#A29449

Tritanopia (blue-blind)

#2AA795

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac40;
/* rgb */ color: rgb(64, 172, 64);
/* oklch */ color: oklch(65.9% 0.177 143.2);

Tailwind

colors: {
  custom: {
    50: '#81c679',
    500: '#40ac40',
    950: '#000000',
  },
}

SCSS

$custom: #40ac40;
$custom-light: #81c679;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac40",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.65912,
    "c": 0.17714,
    "h": 143.2
  },
  "luminance": 0.30965
}

Semantic roles & 50–950 ramp

primary

#40AC40

secondary

#C187C1

accent

#52D5D5

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0B1309

muted

#7C827B

Preview Lab

Preview with #40AC40

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

Preview Lab → · Contrast checker → · Palette generator →