#509F23#509F23

#509F23 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 62.8% C 0.173 H 136.9°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#509F23
RGB	rgb(80, 159, 35)
HSL	hsl(98, 64%, 38%)
HSV	hsv(98, 78%, 62%)
CMYK	cmyk(49.7%, 0%, 78%, 37.6%)
CIE-LAB	lab(58.62, -45.52, 53.04)
CIE-LCH	lch(58.62, 69.90, 130.63°)
OKLab	oklab(62.82% -0.1264 0.1182)
OKLCH	oklch(62.82% 0.173 136.9)
XYZ	xyz(16.0093, 26.6220, 5.8847)
Luminance	0.2662 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509F23 #72239F

analogous

#8E9F23 #509F23 #239F34

triadic

#509F23 #23509F #9F2350

tetradic

#509F23 #238E9F #72239F #9F3423

square

#509F23 #238E9F #72239F #9F3423

split-complementary

#509F23 #34239F #9F238E

monochromatic

#1E3B0D #376D18 #509F23 #69D12E #8DDC60

Accessibility & contrast

On white

3.32

#509F23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#509F23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509F23

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509F23	#FFFFFF	#000000	##000000
##509F23	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49102

Deuteranopia (green-blind)

#9A8B31

Tritanopia (blue-blind)

#4B9988

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #509f23;
/* rgb */ color: rgb(80, 159, 35);
/* oklch */ color: oklch(62.8% 0.173 136.9);

Tailwind

colors: {
  custom: {
    50: '#89bc68',
    500: '#509f23',
    950: '#000000',
  },
}

SCSS

$custom: #509f23;
$custom-light: #89bc68;
$custom-dark: #000000;

JSON

{
  "hex": "#509f23",
  "rgb": {
    "r": 80,
    "g": 159,
    "b": 35
  },
  "hsl": {
    "h": 98.226,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.62817,
    "c": 0.17312,
    "h": 136.9
  },
  "luminance": 0.26623
}

Semantic roles & 50–950 ramp

primary

#509F23

secondary

#9D5DC1

accent

#41E7AB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509F23

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

Preview Lab → · Contrast checker → · Palette generator →