#40AC37#40AC37

#40AC37 is a light, vivid green. Relative luminance 0.309; OKLCH L 65.8% C 0.184 H 142.0°. Best body text is #000000 at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#40AC37
RGB	rgb(64, 172, 55)
HSL	hsl(115, 52%, 45%)
HSV	hsv(115, 68%, 67%)
CMYK	cmyk(62.8%, 0%, 68%, 32.5%)
CIE-LAB	lab(62.40, -53.17, 49.20)
CIE-LCH	lch(62.40, 72.44, 137.22°)
OKLab	oklab(65.82% -0.1449 0.1131)
OKLCH	oklch(65.82% 0.184 142)
XYZ	xyz(17.5555, 30.8692, 8.6469)
Luminance	0.3087 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC37 #A337AC

analogous

#7AAC37 #40AC37 #37AC69

triadic

#40AC37 #3740AC #AC3740

tetradic

#40AC37 #377AAC #A337AC #AC6937

square

#40AC37 #377AAC #A337AC #AC6937

split-complementary

#40AC37 #6937AC #AC377A

monochromatic

#1D4F19 #2F7E28 #40AC37 #60C957 #8CD885

Accessibility & contrast

On white

2.93

#40AC37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.17

#40AC37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC37

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC37	#FFFFFF	#000000	##000000
##40AC37	1.00	2.93	7.17	7.17
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.17	21.00	1.00	1.00
##000000	7.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C27

Deuteranopia (green-blind)

#A39342

Tritanopia (blue-blind)

#2DA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac37;
/* rgb */ color: rgb(64, 172, 55);
/* oklch */ color: oklch(65.8% 0.184 142.0);

Tailwind

colors: {
  custom: {
    50: '#82c674',
    500: '#40ac37',
    950: '#000000',
  },
}

SCSS

$custom: #40ac37;
$custom-light: #82c674;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac37",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 55
  },
  "hsl": {
    "h": 115.385,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.65821,
    "c": 0.18379,
    "h": 142
  },
  "luminance": 0.30871
}

Semantic roles & 50–950 ramp

primary

#40AC37

secondary

#BD7DC2

accent

#4DDBD0

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40AC37

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

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