#509D24#509D24

#509D24 is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.3% C 0.170 H 136.8°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#509D24
RGB	rgb(80, 157, 36)
HSL	hsl(98, 63%, 38%)
HSV	hsv(98, 77%, 62%)
CMYK	cmyk(49%, 0%, 77.1%, 38.4%)
CIE-LAB	lab(57.99, -44.66, 52.09)
CIE-LCH	lch(57.99, 68.62, 130.61°)
OKLab	oklab(62.3% -0.1241 0.1164)
OKLCH	oklch(62.3% 0.17 136.8)
XYZ	xyz(15.6832, 25.9457, 5.8503)
Luminance	0.2595 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D24 #71249D

analogous

#8C9D24 #509D24 #249D35

triadic

#509D24 #24509D #9D2450

tetradic

#509D24 #248C9D #71249D #9D3524

square

#509D24 #248C9D #71249D #9D3524

split-complementary

#509D24 #35249D #9D248C

monochromatic

#1D390D #376B19 #509D24 #69CF2F #8DDB61

Accessibility & contrast

On white

3.39

#509D24 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#509D24 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D24

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D24	#FFFFFF	#000000	##000000
##509D24	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)

#A28F07

Deuteranopia (green-blind)

#988931

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d24;
/* rgb */ color: rgb(80, 157, 36);
/* oklch */ color: oklch(62.3% 0.170 136.8);

Tailwind

colors: {
  custom: {
    50: '#89ba68',
    500: '#509d24',
    950: '#000000',
  },
}

SCSS

$custom: #509d24;
$custom-light: #89ba68;
$custom-dark: #000000;

JSON

{
  "hex": "#509d24",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 36
  },
  "hsl": {
    "h": 98.182,
    "s": 62.694,
    "l": 37.843
  },
  "oklch": {
    "l": 0.62295,
    "c": 0.17013,
    "h": 136.8
  },
  "luminance": 0.25947
}

Semantic roles & 50–950 ramp

primary

#509D24

secondary

#9C5DC0

accent

#42E6AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509D24

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

Preview Lab → · Contrast checker → · Palette generator →