#509D19#509D19

#509D19 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.2% C 0.175 H 136.1°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#509D19
RGB	rgb(80, 157, 25)
HSL	hsl(95, 73%, 36%)
HSV	hsv(95, 84%, 62%)
CMYK	cmyk(49%, 0%, 84.1%, 38.4%)
CIE-LAB	lab(57.93, -45.26, 55.38)
CIE-LCH	lch(57.93, 71.53, 129.26°)
OKLab	oklab(62.23% -0.1263 0.1217)
OKLCH	oklch(62.23% 0.175 136.1)
XYZ	xyz(15.5403, 25.8886, 5.0976)
Luminance	0.2589 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D19 #66199D

analogous

#929D19 #509D19 #199D24

triadic

#509D19 #19509D #9D1950

tetradic

#509D19 #19929D #66199D #9D2419

square

#509D19 #19929D #66199D #9D2419

split-complementary

#509D19 #24199D #9D1992

monochromatic

#1A3308 #356811 #509D19 #6BD221 #8CE34E

Accessibility & contrast

On white

3.40

#509D19 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#509D19 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D19

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D19	#FFFFFF	#000000	##000000
##509D19	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)

#99892A

Tritanopia (blue-blind)

#4C9785

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d19;
/* rgb */ color: rgb(80, 157, 25);
/* oklch */ color: oklch(62.2% 0.175 136.1);

Tailwind

colors: {
  custom: {
    50: '#89ba63',
    500: '#509d19',
    950: '#000000',
  },
}

SCSS

$custom: #509d19;
$custom-light: #89ba63;
$custom-dark: #000000;

JSON

{
  "hex": "#509d19",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 25
  },
  "hsl": {
    "h": 95,
    "s": 72.527,
    "l": 35.686
  },
  "oklch": {
    "l": 0.62233,
    "c": 0.17539,
    "h": 136.1
  },
  "luminance": 0.2589
}

Semantic roles & 50–950 ramp

primary

#509D19

secondary

#934DC5

accent

#39EFA3

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D19

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

Preview Lab → · Contrast checker → · Palette generator →