#509E22#509E22

#509E22 is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.5% C 0.172 H 136.8°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#509E22
RGB	rgb(80, 158, 34)
HSL	hsl(98, 65%, 38%)
HSV	hsv(98, 78%, 62%)
CMYK	cmyk(49.4%, 0%, 78.5%, 38%)
CIE-LAB	lab(58.30, -45.18, 53.06)
CIE-LCH	lch(58.30, 69.69, 130.42°)
OKLab	oklab(62.55% -0.1256 0.1181)
OKLCH	oklch(62.55% 0.172 136.8)
XYZ	xyz(15.8234, 26.2736, 5.7506)
Luminance	0.2627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E22 #70229E

analogous

#8E9E22 #509E22 #229E32

triadic

#509E22 #22509E #9E2250

tetradic

#509E22 #228E9E #70229E #9E3222

square

#509E22 #228E9E #70229E #9E3222

split-complementary

#509E22 #32229E #9E228E

monochromatic

#1D390C #366C17 #509E22 #69D02D #8DDC5E

Accessibility & contrast

On white

3.36

#509E22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#509E22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E22

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E22	#FFFFFF	#000000	##000000
##509E22	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#998A30

Tritanopia (blue-blind)

#4C9887

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e22;
/* rgb */ color: rgb(80, 158, 34);
/* oklch */ color: oklch(62.5% 0.172 136.8);

Tailwind

colors: {
  custom: {
    50: '#89bb67',
    500: '#509e22',
    950: '#000000',
  },
}

SCSS

$custom: #509e22;
$custom-light: #89bb67;
$custom-dark: #000000;

JSON

{
  "hex": "#509e22",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 34
  },
  "hsl": {
    "h": 97.742,
    "s": 64.583,
    "l": 37.647
  },
  "oklch": {
    "l": 0.62547,
    "c": 0.17243,
    "h": 136.8
  },
  "luminance": 0.26275
}

Semantic roles & 50–950 ramp

primary

#509E22

secondary

#9B5BC1

accent

#40E8A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509E22

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

Preview Lab → · Contrast checker → · Palette generator →