#509E28#509E28

#509E28 is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.6% C 0.169 H 137.3°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#509E28
RGB	rgb(80, 158, 40)
HSL	hsl(100, 60%, 39%)
HSV	hsv(100, 75%, 62%)
CMYK	cmyk(49.4%, 0%, 74.7%, 38%)
CIE-LAB	lab(58.33, -44.79, 51.02)
CIE-LCH	lch(58.33, 67.89, 131.28°)
OKLab	oklab(62.59% -0.1242 0.1148)
OKLCH	oklch(62.59% 0.169 137.3)
XYZ	xyz(15.9176, 26.3113, 6.2469)
Luminance	0.2631 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E28 #76289E

analogous

#8B9E28 #509E28 #289E3B

triadic

#509E28 #28509E #9E2850

tetradic

#509E28 #288B9E #76289E #9E3B28

square

#509E28 #288B9E #76289E #9E3B28

split-complementary

#509E28 #3B289E #9E288B

monochromatic

#1F3C0F #376D1C #509E28 #6ACC37 #8ED968

Accessibility & contrast

On white

3.35

#509E28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#509E28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E28

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E28	#FFFFFF	#000000	##000000
##509E28	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39011

Deuteranopia (green-blind)

#998A34

Tritanopia (blue-blind)

#4B9887

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e28;
/* rgb */ color: rgb(80, 158, 40);
/* oklch */ color: oklch(62.6% 0.169 137.3);

Tailwind

colors: {
  custom: {
    50: '#89bb6a',
    500: '#509e28',
    950: '#000000',
  },
}

SCSS

$custom: #509e28;
$custom-light: #89bb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#509e28",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 40
  },
  "hsl": {
    "h": 99.661,
    "s": 59.596,
    "l": 38.824
  },
  "oklch": {
    "l": 0.62587,
    "c": 0.16907,
    "h": 137.3
  },
  "luminance": 0.26312
}

Semantic roles & 50–950 ramp

primary

#509E28

secondary

#A063BF

accent

#45E3AD

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #509E28

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

Preview Lab → · Contrast checker → · Palette generator →