#509D23#509D23

#509D23 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	#509D23
RGB	rgb(80, 157, 35)
HSL	hsl(98, 64%, 38%)
HSV	hsv(98, 78%, 62%)
CMYK	cmyk(49%, 0%, 77.7%, 38.4%)
CIE-LAB	lab(57.98, -44.72, 52.42)
CIE-LCH	lch(57.98, 68.91, 130.47°)
OKLab	oklab(62.29% -0.1243 0.117)
OKLCH	oklch(62.29% 0.171 136.7)
XYZ	xyz(15.6682, 25.9397, 5.7710)
Luminance	0.2594 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D23 #70239D

analogous

#8D9D23 #509D23 #239D33

triadic

#509D23 #23509D #9D2350

tetradic

#509D23 #238D9D #70239D #9D3323

square

#509D23 #238D9D #70239D #9D3323

split-complementary

#509D23 #33239D #9D238D

monochromatic

#1D390D #366B18 #509D23 #69CF2E #8DDB5F

Accessibility & contrast

On white

3.39

#509D23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#509D23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D23

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D23	#FFFFFF	#000000	##000000
##509D23	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)

#A28F04

Deuteranopia (green-blind)

#988930

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d23;
/* rgb */ color: rgb(80, 157, 35);
/* oklch */ color: oklch(62.3% 0.171 136.7);

Tailwind

colors: {
  custom: {
    50: '#89ba68',
    500: '#509d23',
    950: '#000000',
  },
}

SCSS

$custom: #509d23;
$custom-light: #89ba68;
$custom-dark: #000000;

JSON

{
  "hex": "#509d23",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 35
  },
  "hsl": {
    "h": 97.869,
    "s": 63.542,
    "l": 37.647
  },
  "oklch": {
    "l": 0.62288,
    "c": 0.17068,
    "h": 136.7
  },
  "luminance": 0.25941
}

Semantic roles & 50–950 ramp

primary

#509D23

secondary

#9B5CC0

accent

#41E7AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509D23

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

Preview Lab → · Contrast checker → · Palette generator →