#509F20#509F20

#509F20 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.175 H 136.7°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#509F20
RGB	rgb(80, 159, 32)
HSL	hsl(97, 66%, 37%)
HSV	hsv(97, 80%, 62%)
CMYK	cmyk(49.7%, 0%, 79.9%, 37.6%)
CIE-LAB	lab(58.61, -45.70, 53.99)
CIE-LCH	lch(58.61, 70.73, 130.24°)
OKLab	oklab(62.8% -0.1271 0.1198)
OKLCH	oklch(62.8% 0.175 136.7)
XYZ	xyz(15.9666, 26.6049, 5.6601)
Luminance	0.2661 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F20 #6F209F

analogous

#8F9F20 #509F20 #209F30

triadic

#509F20 #20509F #9F2050

tetradic

#509F20 #208F9F #6F209F #9F3020

square

#509F20 #208F9F #6F209F #9F3020

split-complementary

#509F20 #30209F #9F208F

monochromatic

#1D390B #366C16 #509F20 #6AD22A #8DDE5B

Accessibility & contrast

On white

3.32

#509F20 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#509F20 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F20

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F20	#FFFFFF	#000000	##000000
##509F20	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9A8B2F

Tritanopia (blue-blind)

#4C9988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f20;
/* rgb */ color: rgb(80, 159, 32);
/* oklch */ color: oklch(62.8% 0.175 136.7);

Tailwind

colors: {
  custom: {
    50: '#89bc67',
    500: '#509f20',
    950: '#000000',
  },
}

SCSS

$custom: #509f20;
$custom-light: #89bc67;
$custom-dark: #000000;

JSON

{
  "hex": "#509f20",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 32
  },
  "hsl": {
    "h": 97.323,
    "s": 66.492,
    "l": 37.451
  },
  "oklch": {
    "l": 0.62799,
    "c": 0.17465,
    "h": 136.7
  },
  "luminance": 0.26606
}

Semantic roles & 50–950 ramp

primary

#509F20

secondary

#9A59C2

accent

#3EE9A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509F20

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

Preview Lab → · Contrast checker → · Palette generator →