#509B22#509B22

#509B22 is a mid, vivid yellow-green. Relative luminance 0.253; OKLCH L 61.8% C 0.169 H 136.5°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#509B22
RGB	rgb(80, 155, 34)
HSL	hsl(97, 64%, 37%)
HSV	hsv(97, 78%, 61%)
CMYK	cmyk(48.4%, 0%, 78.1%, 39.2%)
CIE-LAB	lab(57.33, -43.98, 52.13)
CIE-LCH	lch(57.33, 68.21, 130.15°)
OKLab	oklab(61.75% -0.1224 0.1162)
OKLCH	oklch(61.75% 0.169 136.5)
XYZ	xyz(15.3179, 25.2626, 5.5821)
Luminance	0.2526 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#509B22 #6D229B

analogous

#8D9B22 #509B22 #229B31

triadic

#509B22 #22509B #9B2250

tetradic

#509B22 #228D9B #6D229B #9B3122

square

#509B22 #228D9B #6D229B #9B3122

split-complementary

#509B22 #31229B #9B228D

monochromatic

#1C370C #366917 #509B22 #6ACD2D #8CDB5C

Accessibility & contrast

On white

3.47

#509B22 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#509B22 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #509B22

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##509B22	#FFFFFF	#000000	##000000
##509B22	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)

#A08E02

Deuteranopia (green-blind)

#97872F

Tritanopia (blue-blind)

#4C9584

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #509b22;
/* rgb */ color: rgb(80, 155, 34);
/* oklch */ color: oklch(61.8% 0.169 136.5);

Tailwind

colors: {
  custom: {
    50: '#88b967',
    500: '#509b22',
    950: '#000000',
  },
}

SCSS

$custom: #509b22;
$custom-light: #88b967;
$custom-dark: #000000;

JSON

{
  "hex": "#509b22",
  "rgb": {
    "r": 80,
    "g": 155,
    "b": 34
  },
  "hsl": {
    "h": 97.19,
    "s": 64.021,
    "l": 37.059
  },
  "oklch": {
    "l": 0.61753,
    "c": 0.16875,
    "h": 136.5
  },
  "luminance": 0.25264
}

Semantic roles & 50–950 ramp

primary

#509B22

secondary

#9959C0

accent

#41E7A8

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1106

muted

#7D807A

Preview Lab

Preview with #509B22

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

Preview Lab → · Contrast checker → · Palette generator →