#509E1F#509E1F

#509E1F is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.5% C 0.174 H 136.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#509E1F
RGB	rgb(80, 158, 31)
HSL	hsl(97, 67%, 37%)
HSV	hsv(97, 80%, 62%)
CMYK	cmyk(49.4%, 0%, 80.4%, 38%)
CIE-LAB	lab(58.28, -45.36, 53.99)
CIE-LCH	lch(58.28, 70.51, 130.03°)
OKLab	oklab(62.53% -0.1262 0.1196)
OKLCH	oklch(62.53% 0.174 136.5)
XYZ	xyz(15.7820, 26.2570, 5.5326)
Luminance	0.2626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509E1F #6D1F9E

analogous

#909E1F #509E1F #1F9E2D

triadic

#509E1F #1F509E #9E1F50

tetradic

#509E1F #1F909E #6D1F9E #9E2D1F

square

#509E1F #1F909E #6D1F9E #9E2D1F

split-complementary

#509E1F #2D1F9E #9E1F90

monochromatic

#1C380B #366B15 #509E1F #6AD129 #8CDE59

Accessibility & contrast

On white

3.36

#509E1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#509E1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509E1F

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509E1F	#FFFFFF	#000000	##000000
##509E1F	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49000

Deuteranopia (green-blind)

#998A2E

Tritanopia (blue-blind)

#4C9887

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #509e1f;
/* rgb */ color: rgb(80, 158, 31);
/* oklch */ color: oklch(62.5% 0.174 136.5);

Tailwind

colors: {
  custom: {
    50: '#89bb66',
    500: '#509e1f',
    950: '#000000',
  },
}

SCSS

$custom: #509e1f;
$custom-light: #89bb66;
$custom-dark: #000000;

JSON

{
  "hex": "#509e1f",
  "rgb": {
    "r": 80,
    "g": 158,
    "b": 31
  },
  "hsl": {
    "h": 96.85,
    "s": 67.196,
    "l": 37.059
  },
  "oklch": {
    "l": 0.62529,
    "c": 0.17393,
    "h": 136.5
  },
  "luminance": 0.26258
}

Semantic roles & 50–950 ramp

primary

#509E1F

secondary

#9956C2

accent

#3EEAA8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509E1F

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

Preview Lab → · Contrast checker → · Palette generator →