#509B1D#509B1D

#509B1D is a mid, vivid yellow-green. Relative luminance 0.252; OKLCH L 61.7% C 0.171 H 136.1°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#509B1D
RGB	rgb(80, 155, 29)
HSL	hsl(96, 68%, 36%)
HSV	hsv(96, 81%, 61%)
CMYK	cmyk(48.4%, 0%, 81.3%, 39.2%)
CIE-LAB	lab(57.30, -44.27, 53.69)
CIE-LCH	lch(57.30, 69.58, 129.51°)
OKLab	oklab(61.72% -0.1234 0.1187)
OKLCH	oklch(61.72% 0.171 136.1)
XYZ	xyz(15.2510, 25.2359, 5.2295)
Luminance	0.2524 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B1D #681D9B

analogous

#8F9B1D #509B1D #1D9B29

triadic

#509B1D #1D509B #9B1D50

tetradic

#509B1D #1D8F9B #681D9B #9B291D

square

#509B1D #1D8F9B #681D9B #9B291D

split-complementary

#509B1D #291D9B #9B1D8F

monochromatic

#1B340A #356713 #509B1D #6BCF27 #8CDF53

Accessibility & contrast

On white

3.47

#509B1D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#509B1D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B1D

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B1D	#FFFFFF	#000000	##000000
##509B1D	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18D00

Deuteranopia (green-blind)

#97872C

Tritanopia (blue-blind)

#4D9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b1d;
/* rgb */ color: rgb(80, 155, 29);
/* oklch */ color: oklch(61.7% 0.171 136.1);

Tailwind

colors: {
  custom: {
    50: '#89b965',
    500: '#509b1d',
    950: '#000000',
  },
}

SCSS

$custom: #509b1d;
$custom-light: #89b965;
$custom-dark: #000000;

JSON

{
  "hex": "#509b1d",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 29
  },
  "hsl": {
    "h": 95.714,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.61723,
    "c": 0.17125,
    "h": 136.1
  },
  "luminance": 0.25237
}

Semantic roles & 50–950 ramp

primary

#509B1D

secondary

#9552C2

accent

#3CEBA5

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509B1D

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

Preview Lab → · Contrast checker → · Palette generator →