#509C23#509C23

#509C23 is a light, vivid yellow-green. Relative luminance 0.256; OKLCH L 62.0% C 0.169 H 136.7°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#509C23
RGB	rgb(80, 156, 35)
HSL	hsl(98, 63%, 37%)
HSV	hsv(98, 78%, 61%)
CMYK	cmyk(48.7%, 0%, 77.6%, 38.8%)
CIE-LAB	lab(57.66, -44.32, 52.11)
CIE-LCH	lch(57.66, 68.41, 130.38°)
OKLab	oklab(62.02% -0.1232 0.1163)
OKLCH	oklch(62.02% 0.169 136.7)
XYZ	xyz(15.4997, 25.6027, 5.7149)
Luminance	0.2560 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509C23 #6F239C

analogous

#8D9C23 #509C23 #239C32

triadic

#509C23 #23509C #9C2350

tetradic

#509C23 #238D9C #6F239C #9C3223

square

#509C23 #238D9C #6F239C #9C3223

split-complementary

#509C23 #32239C #9C238D

monochromatic

#1D380D #366A18 #509C23 #6ACE2E #8DDB5E

Accessibility & contrast

On white

3.43

#509C23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#509C23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509C23

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509C23	#FFFFFF	#000000	##000000
##509C23	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E05

Deuteranopia (green-blind)

#988830

Tritanopia (blue-blind)

#4C9685

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509c23;
/* rgb */ color: rgb(80, 156, 35);
/* oklch */ color: oklch(62.0% 0.169 136.7);

Tailwind

colors: {
  custom: {
    50: '#89ba68',
    500: '#509c23',
    950: '#000000',
  },
}

SCSS

$custom: #509c23;
$custom-light: #89ba68;
$custom-dark: #000000;

JSON

{
  "hex": "#509c23",
  "rgb": {
    "r": 80,
    "g": 156,
    "b": 35
  },
  "hsl": {
    "h": 97.686,
    "s": 63.351,
    "l": 37.451
  },
  "oklch": {
    "l": 0.62024,
    "c": 0.16944,
    "h": 136.7
  },
  "luminance": 0.25604
}

Semantic roles & 50–950 ramp

primary

#509C23

secondary

#9A5BC0

accent

#41E6A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #509C23

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

Preview Lab → · Contrast checker → · Palette generator →