#509B27#509B27

#509B27 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.8% C 0.166 H 136.9°. Best body text is #000000 at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#509B27
RGB	rgb(80, 155, 39)
HSL	hsl(99, 60%, 38%)
HSV	hsv(99, 75%, 61%)
CMYK	cmyk(48.4%, 0%, 74.8%, 39.2%)
CIE-LAB	lab(57.36, -43.65, 50.42)
CIE-LCH	lch(57.36, 66.69, 130.89°)
OKLab	oklab(61.79% -0.1212 0.1134)
OKLCH	oklch(61.79% 0.166 136.9)
XYZ	xyz(15.3954, 25.2936, 5.9900)
Luminance	0.2530 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B27 #72279B

analogous

#8A9B27 #509B27 #279B38

triadic

#509B27 #27509B #9B2750

tetradic

#509B27 #278A9B #72279B #9B3827

square

#509B27 #278A9B #72279B #9B3827

split-complementary

#509B27 #38279B #9B278A

monochromatic

#1E390E #376A1B #509B27 #69CC33 #8DD864

Accessibility & contrast

On white

3.47

#509B27 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.06

#509B27 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B27

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B27	#FFFFFF	#000000	##000000
##509B27	1.00	3.47	6.06	6.06
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.06	21.00	1.00	1.00
##000000	6.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A08E10

Deuteranopia (green-blind)

#968733

Tritanopia (blue-blind)

#4C9585

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b27;
/* rgb */ color: rgb(80, 155, 39);
/* oklch */ color: oklch(61.8% 0.166 136.9);

Tailwind

colors: {
  custom: {
    50: '#88b969',
    500: '#509b27',
    950: '#000000',
  },
}

SCSS

$custom: #509b27;
$custom-light: #88b969;
$custom-dark: #000000;

JSON

{
  "hex": "#509b27",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 39
  },
  "hsl": {
    "h": 98.793,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.61787,
    "c": 0.16592,
    "h": 136.9
  },
  "luminance": 0.25295
}

Semantic roles & 50–950 ramp

primary

#509B27

secondary

#9D60BE

accent

#45E3AB

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1107

muted

#7D807A

Preview Lab

Preview with #509B27

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

Preview Lab → · Contrast checker → · Palette generator →