#509D1D#509D1D

#509D1D is a light, vivid yellow-green. Relative luminance 0.259; OKLCH L 62.3% C 0.174 H 136.3°. Best body text is #000000 at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#509D1D
RGB	rgb(80, 157, 29)
HSL	hsl(96, 69%, 36%)
HSV	hsv(96, 82%, 62%)
CMYK	cmyk(49%, 0%, 81.5%, 38.4%)
CIE-LAB	lab(57.95, -45.07, 54.28)
CIE-LCH	lch(57.95, 70.55, 129.70°)
OKLab	oklab(62.25% -0.1256 0.1199)
OKLCH	oklch(62.25% 0.174 136.3)
XYZ	xyz(15.5866, 25.9071, 5.3414)
Luminance	0.2591 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509D1D #6A1D9D

analogous

#909D1D #509D1D #1D9D2A

triadic

#509D1D #1D509D #9D1D50

tetradic

#509D1D #1D909D #6A1D9D #9D2A1D

square

#509D1D #1D909D #6A1D9D #9D2A1D

split-complementary

#509D1D #2A1D9D #9D1D90

monochromatic

#1B360A #366913 #509D1D #6AD127 #8CE055

Accessibility & contrast

On white

3.40

#509D1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.18

#509D1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509D1D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509D1D	#FFFFFF	#000000	##000000
##509D1D	1.00	3.40	6.18	6.18
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.18	21.00	1.00	1.00
##000000	6.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A38F00

Deuteranopia (green-blind)

#99892C

Tritanopia (blue-blind)

#4C9786

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #509d1d;
/* rgb */ color: rgb(80, 157, 29);
/* oklch */ color: oklch(62.3% 0.174 136.3);

Tailwind

colors: {
  custom: {
    50: '#89ba65',
    500: '#509d1d',
    950: '#000000',
  },
}

SCSS

$custom: #509d1d;
$custom-light: #89ba65;
$custom-dark: #000000;

JSON

{
  "hex": "#509d1d",
  "rgb": {
    "r": 80,
    "g": 157,
    "b": 29
  },
  "hsl": {
    "h": 96.094,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.62253,
    "c": 0.17366,
    "h": 136.3
  },
  "luminance": 0.25908
}

Semantic roles & 50–950 ramp

primary

#509D1D

secondary

#9653C3

accent

#3CECA6

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #509D1D

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

Preview Lab → · Contrast checker → · Palette generator →