#40AF37#40AF37

#40AF37 is a light, vivid green. Relative luminance 0.320; OKLCH L 66.6% C 0.187 H 142.1°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#40AF37
RGB	rgb(64, 175, 55)
HSL	hsl(116, 52%, 45%)
HSV	hsv(116, 69%, 69%)
CMYK	cmyk(63.4%, 0%, 68.6%, 31.4%)
CIE-LAB	lab(63.36, -54.24, 50.23)
CIE-LCH	lch(63.36, 73.93, 137.20°)
OKLab	oklab(66.62% -0.1478 0.1153)
OKLCH	oklch(66.62% 0.187 142.1)
XYZ	xyz(18.1329, 32.0240, 8.8393)
Luminance	0.3203 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF37 #A637AF

analogous

#7CAF37 #40AF37 #37AF6A

triadic

#40AF37 #3740AF #AF3740

tetradic

#40AF37 #377CAF #A637AF #AF6A37

square

#40AF37 #377CAF #A637AF #AF6A37

split-complementary

#40AF37 #6A37AF #AF377C

monochromatic

#1E521A #2F8028 #40AF37 #61CB59 #8DD987

Accessibility & contrast

On white

2.84

#40AF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#40AF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF37

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF37	#FFFFFF	#000000	##000000
##40AF37	1.00	2.84	7.41	7.41
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.41	21.00	1.00	1.00
##000000	7.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F26

Deuteranopia (green-blind)

#A69642

Tritanopia (blue-blind)

#2BAA97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40af37;
/* rgb */ color: rgb(64, 175, 55);
/* oklch */ color: oklch(66.6% 0.187 142.1);

Tailwind

colors: {
  custom: {
    50: '#82c874',
    500: '#40af37',
    950: '#000000',
  },
}

SCSS

$custom: #40af37;
$custom-light: #82c874;
$custom-dark: #000000;

JSON

{
  "hex": "#40af37",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 55
  },
  "hsl": {
    "h": 115.5,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.66619,
    "c": 0.18742,
    "h": 142.1
  },
  "luminance": 0.32026
}

Semantic roles & 50–950 ramp

primary

#40AF37

secondary

#BE7FC3

accent

#4CDCD1

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AF37

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

Preview Lab → · Contrast checker → · Palette generator →