#509D22#509D22

#509D22 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.3% C 0.171 H 136.7°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#509D22
RGB	rgb(80, 157, 34)
HSL	hsl(98, 64%, 37%)
HSV	hsv(98, 78%, 62%)
CMYK	cmyk(49%, 0%, 78.3%, 38.4%)
CIE-LAB	lab(57.97, -44.78, 52.75)
CIE-LCH	lch(57.97, 69.20, 130.33°)
OKLab	oklab(62.28% -0.1245 0.1175)
OKLCH	oklch(62.28% 0.171 136.7)
XYZ	xyz(15.6535, 25.9338, 5.6940)
Luminance	0.2594 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D22 #6F229D

analogous

#8E9D22 #509D22 #229D32

triadic

#509D22 #22509D #9D2250

tetradic

#509D22 #228E9D #6F229D #9D3222

square

#509D22 #228E9D #6F229D #9D3222

split-complementary

#509D22 #32229D #9D228E

monochromatic

#1D380C #366B17 #509D22 #6ACF2D #8DDC5D

Accessibility & contrast

On white

3.39

#509D22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#509D22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D22

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D22	#FFFFFF	#000000	##000000
##509D22	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F01

Deuteranopia (green-blind)

#988930

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d22;
/* rgb */ color: rgb(80, 157, 34);
/* oklch */ color: oklch(62.3% 0.171 136.7);

Tailwind

colors: {
  custom: {
    50: '#89ba67',
    500: '#509d22',
    950: '#000000',
  },
}

SCSS

$custom: #509d22;
$custom-light: #89ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#509d22",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 34
  },
  "hsl": {
    "h": 97.561,
    "s": 64.398,
    "l": 37.451
  },
  "oklch": {
    "l": 0.62282,
    "c": 0.17121,
    "h": 136.7
  },
  "luminance": 0.25935
}

Semantic roles & 50–950 ramp

primary

#509D22

secondary

#9A5AC1

accent

#40E7A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D22

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

Preview Lab → · Contrast checker → · Palette generator →