#518B28#518B28

#518B28 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.6% C 0.144 H 135.0°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#518B28
RGB	rgb(81, 139, 40)
HSL	hsl(95, 55%, 35%)
HSV	hsv(95, 71%, 55%)
CMYK	cmyk(41.7%, 0%, 71.2%, 45.5%)
CIE-LAB	lab(52.25, -36.51, 44.86)
CIE-LCH	lch(52.25, 57.84, 129.14°)
OKLab	oklab(57.61% -0.1018 0.1019)
OKLCH	oklch(57.61% 0.144 135)
XYZ	xyz(13.0087, 20.3671, 5.2529)
Luminance	0.2037 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#518B28 #62288B

analogous

#828B28 #518B28 #288B31

triadic

#518B28 #28518B #8B2851

tetradic

#518B28 #28828B #62288B #8B3128

square

#518B28 #28828B #62288B #8B3128

split-complementary

#518B28 #31288B #8B2882

monochromatic

#1A2C0D #355B1A #518B28 #6DBB36 #8DD05D

Accessibility & contrast

On white

4.14

#518B28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#518B28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #518B28

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##518B28	#FFFFFF	#000000	##000000
##518B28	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)

#908019

Deuteranopia (green-blind)

#887B31

Tritanopia (blue-blind)

#508677

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #518b28;
/* rgb */ color: rgb(81, 139, 40);
/* oklch */ color: oklch(57.6% 0.144 135.0);

Tailwind

colors: {
  custom: {
    50: '#87ad68',
    500: '#518b28',
    950: '#000000',
  },
}

SCSS

$custom: #518b28;
$custom-light: #87ad68;
$custom-dark: #000000;

JSON

{
  "hex": "#518b28",
  "rgb": {
    "r": 81,
    "g": 139,
    "b": 40
  },
  "hsl": {
    "h": 95.152,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.5761,
    "c": 0.14403,
    "h": 135
  },
  "luminance": 0.20368
}

Semantic roles & 50–950 ramp

primary

#518B28

secondary

#8F59B6

accent

#49DFA1

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #518B28

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

Preview Lab → · Contrast checker → · Palette generator →