#518B23#518B23

#518B23 is a mid, vivid yellow-green. Relative luminance 0.203; OKLCH L 57.6% C 0.147 H 134.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#518B23
RGB	rgb(81, 139, 35)
HSL	hsl(93, 60%, 34%)
HSV	hsv(93, 75%, 55%)
CMYK	cmyk(41.7%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(52.21, -36.88, 46.79)
CIE-LCH	lch(52.21, 59.58, 128.24°)
OKLab	oklab(57.57% -0.1032 0.1052)
OKLCH	oklch(57.57% 0.147 134.5)
XYZ	xyz(12.9291, 20.3352, 4.8336)
Luminance	0.2034 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518B23 #5D238B

analogous

#858B23 #518B23 #238B29

triadic

#518B23 #23518B #8B2351

tetradic

#518B23 #23858B #5D238B #8B2923

square

#518B23 #23858B #5D238B #8B2923

split-complementary

#518B23 #29238B #8B2385

monochromatic

#18290A #355A17 #518B23 #6DBC2F #8DD454

Accessibility & contrast

On white

4.14

#518B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#518B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518B23

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518B23	#FFFFFF	#000000	##000000
##518B23	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90800F

Deuteranopia (green-blind)

#897B2D

Tritanopia (blue-blind)

#508577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #518b23;
/* rgb */ color: rgb(81, 139, 35);
/* oklch */ color: oklch(57.6% 0.147 134.5);

Tailwind

colors: {
  custom: {
    50: '#87ad65',
    500: '#518b23',
    950: '#000000',
  },
}

SCSS

$custom: #518b23;
$custom-light: #87ad65;
$custom-dark: #000000;

JSON

{
  "hex": "#518b23",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 93.462,
    "s": 59.77,
    "l": 34.118
  },
  "oklch": {
    "l": 0.57569,
    "c": 0.14735,
    "h": 134.5
  },
  "luminance": 0.20336
}

Semantic roles & 50–950 ramp

primary

#518B23

secondary

#8B52B8

accent

#45E39D

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518B23

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

Preview Lab → · Contrast checker → · Palette generator →