#509D20#509D20

#509D20 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.3% C 0.172 H 136.5°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#509D20
RGB	rgb(80, 157, 32)
HSL	hsl(97, 66%, 37%)
HSV	hsv(97, 80%, 62%)
CMYK	cmyk(49%, 0%, 79.6%, 38.4%)
CIE-LAB	lab(57.96, -44.90, 53.38)
CIE-LCH	lch(57.96, 69.76, 130.07°)
OKLab	oklab(62.27% -0.125 0.1185)
OKLCH	oklch(62.27% 0.172 136.5)
XYZ	xyz(15.6255, 25.9226, 5.5464)
Luminance	0.2592 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D20 #6D209D

analogous

#8F9D20 #509D20 #209D2E

triadic

#509D20 #20509D #9D2050

tetradic

#509D20 #208F9D #6D209D #9D2E20

square

#509D20 #208F9D #6D209D #9D2E20

split-complementary

#509D20 #2E209D #9D208F

monochromatic

#1C370B #366A16 #509D20 #6AD02A #8CDD5A

Accessibility & contrast

On white

3.40

#509D20 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#509D20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D20

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D20	#FFFFFF	#000000	##000000
##509D20	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892E

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d20;
/* rgb */ color: rgb(80, 157, 32);
/* oklch */ color: oklch(62.3% 0.172 136.5);

Tailwind

colors: {
  custom: {
    50: '#89ba66',
    500: '#509d20',
    950: '#000000',
  },
}

SCSS

$custom: #509d20;
$custom-light: #89ba66;
$custom-dark: #000000;

JSON

{
  "hex": "#509d20",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 32
  },
  "hsl": {
    "h": 96.96,
    "s": 66.138,
    "l": 37.059
  },
  "oklch": {
    "l": 0.6227,
    "c": 0.17223,
    "h": 136.5
  },
  "luminance": 0.25924
}

Semantic roles & 50–950 ramp

primary

#509D20

secondary

#9957C1

accent

#3FE9A8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D20

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

Preview Lab → · Contrast checker → · Palette generator →