#40AF40#40AF40

#40AF40 is a light, vivid green. Relative luminance 0.321; OKLCH L 66.7% C 0.181 H 143.2°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#40AF40
RGB	rgb(64, 175, 64)
HSL	hsl(120, 46%, 47%)
HSV	hsv(120, 63%, 69%)
CMYK	cmyk(63.4%, 0%, 63.4%, 31.4%)
CIE-LAB	lab(63.44, -53.34, 46.49)
CIE-LCH	lch(63.44, 70.75, 138.92°)
OKLab	oklab(66.71% -0.1449 0.1083)
OKLCH	oklch(66.71% 0.181 143.2)
XYZ	xyz(18.3687, 32.1183, 10.0809)
Luminance	0.3212 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF40 #AF40AF

analogous

#78AF40 #40AF40 #40AF78

triadic

#40AF40 #4040AF #AF4040

tetradic

#40AF40 #4078AF #AF40AF #AF7840

square

#40AF40 #4078AF #AF40AF #AF7840

split-complementary

#40AF40 #7840AF #AF4078

monochromatic

#1F551F #308230 #40AF40 #65C765 #92D792

Accessibility & contrast

On white

2.83

#40AF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#40AF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF40

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF40	#FFFFFF	#000000	##000000
##40AF40	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F33

Deuteranopia (green-blind)

#A59649

Tritanopia (blue-blind)

#29AA98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40af40;
/* rgb */ color: rgb(64, 175, 64);
/* oklch */ color: oklch(66.7% 0.181 143.2);

Tailwind

colors: {
  custom: {
    50: '#82c879',
    500: '#40af40',
    950: '#000000',
  },
}

SCSS

$custom: #40af40;
$custom-light: #82c879;
$custom-dark: #000000;

JSON

{
  "hex": "#40af40",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.66709,
    "c": 0.18089,
    "h": 143.2
  },
  "luminance": 0.3212
}

Semantic roles & 50–950 ramp

primary

#40AF40

secondary

#C388C3

accent

#52D6D6

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AF40

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

Preview Lab → · Contrast checker → · Palette generator →