#509B40#509B40

#509B40 is a light, vivid green. Relative luminance 0.255; OKLCH L 62.0% C 0.147 H 140.2°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#509B40
RGB	rgb(80, 155, 64)
HSL	hsl(109, 42%, 43%)
HSV	hsv(109, 59%, 61%)
CMYK	cmyk(48.4%, 0%, 58.7%, 39.2%)
CIE-LAB	lab(57.58, -41.32, 39.95)
CIE-LCH	lch(57.58, 57.47, 135.97°)
OKLab	oklab(62.03% -0.1132 0.0942)
OKLCH	oklch(62.03% 0.147 140.2)
XYZ	xyz(15.9544, 25.5172, 8.9341)
Luminance	0.2552 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B40 #8B409B

analogous

#7D9B40 #509B40 #409B5E

triadic

#509B40 #40509B #9B4050

tetradic

#509B40 #407D9B #8B409B #9B5E40

square

#509B40 #407D9B #8B409B #9B5E40

split-complementary

#509B40 #5E409B #9B407D

monochromatic

#23441C #3A702E #509B40 #6DBC5C #94CE88

Accessibility & contrast

On white

3.44

#509B40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#509B40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B40

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B40	#FFFFFF	#000000	##000000
##509B40	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8E37

Deuteranopia (green-blind)

#958847

Tritanopia (blue-blind)

#499687

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b40;
/* rgb */ color: rgb(80, 155, 64);
/* oklch */ color: oklch(62.0% 0.147 140.2);

Tailwind

colors: {
  custom: {
    50: '#87b978',
    500: '#509b40',
    950: '#000000',
  },
}

SCSS

$custom: #509b40;
$custom-light: #87b978;
$custom-dark: #000000;

JSON

{
  "hex": "#509b40",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 64
  },
  "hsl": {
    "h": 109.451,
    "s": 41.553,
    "l": 42.941
  },
  "oklch": {
    "l": 0.62033,
    "c": 0.14723,
    "h": 140.2
  },
  "luminance": 0.25518
}

Semantic roles & 50–950 ramp

primary

#509B40

secondary

#AE7EB8

accent

#56D1BC

background

#F8FBF7

surface

#F0F6ED

border

#CBD0C8

text

#0C1109

muted

#7D807B

Preview Lab

Preview with #509B40

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

Preview Lab → · Contrast checker → · Palette generator →