#509A23#509A23

#509A23 is a mid, vivid yellow-green. Relative luminance 0.249; OKLCH L 61.5% C 0.167 H 136.5°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX	#509A23
RGB	rgb(80, 154, 35)
HSL	hsl(97, 63%, 37%)
HSV	hsv(97, 77%, 60%)
CMYK	cmyk(48.1%, 0%, 77.3%, 39.6%)
CIE-LAB	lab(57.01, -43.52, 51.49)
CIE-LCH	lch(57.01, 67.42, 130.20°)
OKLab	oklab(61.49% -0.1211 0.115)
OKLCH	oklch(61.49% 0.167 136.5)
XYZ	xyz(15.1668, 24.9370, 5.6039)
Luminance	0.2494 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509A23 #6D239A

analogous

#8C9A23 #509A23 #239A32

triadic

#509A23 #23509A #9A2350

tetradic

#509A23 #238C9A #6D239A #9A3223

square

#509A23 #238C9A #6D239A #9A3223

split-complementary

#509A23 #32239A #9A238C

monochromatic

#1C360C #366818 #509A23 #6ACC2E #8CDA5D

Accessibility & contrast

On white

3.51

#509A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.99

#509A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509A23

5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509A23	#FFFFFF	#000000	##000000
##509A23	1.00	3.51	5.99	5.99
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.99	21.00	1.00	1.00
##000000	5.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8D06

Deuteranopia (green-blind)

#968730

Tritanopia (blue-blind)

#4C9484

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #509a23;
/* rgb */ color: rgb(80, 154, 35);
/* oklch */ color: oklch(61.5% 0.167 136.5);

Tailwind

colors: {
  custom: {
    50: '#88b867',
    500: '#509a23',
    950: '#000000',
  },
}

SCSS

$custom: #509a23;
$custom-light: #88b867;
$custom-dark: #000000;

JSON

{
  "hex": "#509a23",
  "rgb": {
    "r": 80,
    "g": 154,
    "b": 35
  },
  "hsl": {
    "h": 97.311,
    "s": 62.963,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61494,
    "c": 0.16697,
    "h": 136.5
  },
  "luminance": 0.24938
}

Semantic roles & 50–950 ramp

primary

#509A23

secondary

#995ABF

accent

#42E6A8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509A23

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

Preview Lab → · Contrast checker → · Palette generator →