#40AF3B#40AF3B

#40AF3B is a light, vivid green. Relative luminance 0.321; OKLCH L 66.7% C 0.185 H 142.5°. Best body text is #000000 at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#40AF3B
RGB	rgb(64, 175, 59)
HSL	hsl(117, 50%, 46%)
HSV	hsv(117, 66%, 69%)
CMYK	cmyk(63.4%, 0%, 66.3%, 31.4%)
CIE-LAB	lab(63.40, -53.86, 48.61)
CIE-LCH	lch(63.40, 72.55, 137.93°)
OKLab	oklab(66.66% -0.1465 0.1123)
OKLCH	oklch(66.66% 0.185 142.5)
XYZ	xyz(18.2327, 32.0639, 9.3649)
Luminance	0.3207 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF3B #AA3BAF

analogous

#7AAF3B #40AF3B #3BAF70

triadic

#40AF3B #3B40AF #AF3B40

tetradic

#40AF3B #3B7AAF #AA3BAF #AF703B

square

#40AF3B #3B7AAF #AA3BAF #AF703B

split-complementary

#40AF3B #703BAF #AF3B7A

monochromatic

#1F531C #2F812C #40AF3B #63C95E #8FD88C

Accessibility & contrast

On white

2.83

#40AF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.41

#40AF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF3B

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF3B	#FFFFFF	#000000	##000000
##40AF3B	1.00	2.83	7.41	7.41
#FFFFFF	2.83	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)

#B39F2C

Deuteranopia (green-blind)

#A59645

Tritanopia (blue-blind)

#2AAA97

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40af3b;
/* rgb */ color: rgb(64, 175, 59);
/* oklch */ color: oklch(66.7% 0.185 142.5);

Tailwind

colors: {
  custom: {
    50: '#82c876',
    500: '#40af3b',
    950: '#000000',
  },
}

SCSS

$custom: #40af3b;
$custom-light: #82c876;
$custom-dark: #000000;

JSON

{
  "hex": "#40af3b",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 59
  },
  "hsl": {
    "h": 117.414,
    "s": 49.573,
    "l": 45.882
  },
  "oklch": {
    "l": 0.66657,
    "c": 0.18461,
    "h": 142.5
  },
  "luminance": 0.32066
}

Semantic roles & 50–950 ramp

primary

#40AF3B

secondary

#C083C3

accent

#4FD9D3

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AF3B

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

Preview Lab → · Contrast checker → · Palette generator →